#include #include #include #include using namespace std; #define MAXN 10005 int num[MAXN],n,f[MAXN]; int main() { while(scanf("%d",&n) != EOF) { int ans = 0; memset(f,0,sizeof(f)); for(int i = 0;i < n;i++) scanf("%d",&num[i]); for(int i = n - 1;i >= 0;i--) { ans += f[num[i]]; int q = sqrt(num[i] + 1) + 1; for(int j = 1;j <= q && j <= num[i];j++) if(num[i] % j == 0) f[j] = i + 1, f[num[i] / j] = i + 1; } printf("%d\n",ans); } }