Q: What is the sum of all factors of the number 57,505,220 excluding 57,505,220?

A: 70,790,080

Why is 70,790,080 the sum of all factors of 57,505,220, excluding 57,505,220?

The factors of the number 57,505,220 are: 1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 9949, 19898, 39796, 49745, 99490, 169133, 198980, 338266, 676532, 845665, 1691330, 2875261, 3382660, 5750522, 11501044, 14376305, 28752610, 57505220.

If you add them up, you will get the total of 57,505,290. Now subtract 57,505,220 to get 70,790,080