Ln (x) dx · 2014-12-23 17:40:04

sharp include iostream
using namespace std;
int a[500001] = {0};
int main()
{

• int t, n;
• 
  
• for(int i = 1; i <= 250000; i++)
• 
  
  • for(int j = 2; i * j <= 500000; j++)
  • 
    
    • a[i * j] += i;
    • 
      
• cin >> t;
• 
  
• while(t--)
• 
  
• {
• 
  
  • cin >> n;
  • 
    
  • cout << a[n] << endl;
  • 
    
• }
• 
  

}