Q: What is the sum of all factors of the number 153,990 excluding 153,990?

A: 267,210

Why is 267,210 the sum of all factors of 153,990, excluding 153,990?

The factors of the number 153,990 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 59, 87, 90, 118, 145, 174, 177, 261, 290, 295, 354, 435, 522, 531, 590, 870, 885, 1062, 1305, 1711, 1770, 2610, 2655, 3422, 5133, 5310, 8555, 10266, 15399, 17110, 25665, 30798, 51330, 76995, 153990.

If you add them up, you will get the total of 154,257. Now subtract 153,990 to get 267,210