fl.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
int main(int argc, char **argv)
{
int n, x, y, i, r, c;
while (1) {
if (r != 1) break;
c = 0;
for (x=0; x<n; x++) {
y = (x*n)/(x-n);
if (n*(x+y) == x*y) c++;
}
}
return 0;
}