Q: What is the sum of all factors of the number 280,830 excluding 280,830?

A: 507,138

Why is 507,138 the sum of all factors of 280,830, excluding 280,830?

The factors of the number 280,830 are: 1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 37, 46, 55, 66, 69, 74, 110, 111, 115, 138, 165, 185, 222, 230, 253, 330, 345, 370, 407, 506, 555, 690, 759, 814, 851, 1110, 1221, 1265, 1518, 1702, 2035, 2442, 2530, 2553, 3795, 4070, 4255, 5106, 6105, 7590, 8510, 9361, 12210, 12765, 18722, 25530, 28083, 46805, 56166, 93610, 140415, 280830.

If you add them up, you will get the total of 281,337. Now subtract 280,830 to get 507,138