C++
#include <bits/stdc++.h>
using namespace std;
#define ll long long 
#define hutao int main()
#define it int
hutao {
    ll a, b, tong = 0,i;
    cin >> a >> b;
    for (i = 1; i <= sqrt(a); ++i) {
        if (a % i == 0) {
            if (b % i != 0) {
                tong += i;
            }
            if (i != a / i && b % (a / i) != 0) {
                tong += a / i;
            }
        }
    }
    cout << tong << endl;
}

#nguyenminhtuan477