Q: What is the sum of all factors of the number 181,280 excluding 181,280?

A: 290,464

Why is 290,464 the sum of all factors of 181,280, excluding 181,280?

The factors of the number 181,280 are: 1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 103, 110, 160, 176, 206, 220, 352, 412, 440, 515, 824, 880, 1030, 1133, 1648, 1760, 2060, 2266, 3296, 4120, 4532, 5665, 8240, 9064, 11330, 16480, 18128, 22660, 36256, 45320, 90640, 181280.

If you add them up, you will get the total of 181,570. Now subtract 181,280 to get 290,464