organizator

#include <iostream>
using namespace std;
int N;

int a[2111333];

int main(){
  cin >> N;
  for (int i=0; i<N; ++i){
    int x;
    cin >> x;
    ++a[x];
  }
  long long ans=0;
  for (int t=1; t<=2111333; ++t){
    long long ca=0;
    for (int i=t; i<2111333; i+=t){
      ca+=a[i];
    }
    if (ca>1) ans=max(ans, ca*t);
  }
  cout << ans << "\n";
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED

Test 16

Verdict: ACCEPTED

Test 17

Verdict: ACCEPTED

Test 18

Verdict: ACCEPTED

Test 19

Verdict: ACCEPTED