Q: What is the sum of all factors of the number 285,105,680 excluding 285,105,680?

A: 382,559,920

Why is 382,559,920 the sum of all factors of 285,105,680, excluding 285,105,680?

The factors of the number 285,105,680 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 25639, 51278, 102556, 128195, 205112, 256390, 410224, 512780, 1025560, 2051120, 3563821, 7127642, 14255284, 17819105, 28510568, 35638210, 57021136, 71276420, 142552840, 285105680.

If you add them up, you will get the total of 285,106,062. Now subtract 285,105,680 to get 382,559,920