Q: What is the sum of all factors of the number 213,012,100 excluding 213,012,100?

A: 315,259,644

Why is 315,259,644 the sum of all factors of 213,012,100, excluding 213,012,100?

The factors of the number 213,012,100 are: 1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 304303, 608606, 1217212, 1521515, 2130121, 3043030, 4260242, 6086060, 7607575, 8520484, 10650605, 15215150, 21301210, 30430300, 42602420, 53253025, 106506050, 213012100.

If you add them up, you will get the total of 213,012,415. Now subtract 213,012,100 to get 315,259,644