Q: What is the sum of all factors of the number 108,810 excluding 108,810?

A: 213,750

Why is 213,750 the sum of all factors of 108,810, excluding 108,810?

The factors of the number 108,810 are: 1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 90, 93, 117, 130, 135, 155, 186, 195, 234, 270, 279, 310, 351, 390, 403, 465, 558, 585, 702, 806, 837, 930, 1170, 1209, 1395, 1674, 1755, 2015, 2418, 2790, 3510, 3627, 4030, 4185, 6045, 7254, 8370, 10881, 12090, 18135, 21762, 36270, 54405, 108810.

If you add them up, you will get the total of 109,023. Now subtract 108,810 to get 213,750