public void TestIsAmicablenumbers()
{
/*
* For example, the proper divisors of 220 are 1, 2, 4, 5, 10, 11, 20, 22, 44, 55 and 110;
* therefore d(220) = 284. The proper divisors of 284 are 1, 2, 4, 71 and 142; so d(284) = 220.
*/
Assert.True(AmicableNumbers.IsAmicablenumbers(220));
Assert.True(AmicableNumbers.IsAmicablenumbers(284));
Assert.False(AmicableNumbers.IsAmicablenumbers(100));
Assert.False(AmicableNumbers.IsAmicablenumbers(28));
}
public int GetSumOfAmicablenumbers(int from, int to)
{
int SumOfAmicablenumbers = 0;
for (int i = from; i < to; i++)
{
if (AmicableNumbers.IsAmicablenumbers(i))
{
SumOfAmicablenumbers += i;
}
}
return(SumOfAmicablenumbers);
}