Q: What is the sum of all factors of the number 400,316,055 excluding 400,316,055?

A: 252,916,329

Why is 252,916,329 the sum of all factors of 400,316,055, excluding 400,316,055?

The factors of the number 400,316,055 are: 1, 3, 5, 15, 83, 137, 249, 411, 415, 685, 1245, 2055, 2347, 7041, 11371, 11735, 34113, 35205, 56855, 170565, 194801, 321539, 584403, 964617, 974005, 1607695, 2922015, 4823085, 26687737, 80063211, 133438685, 400316055.

If you add them up, you will get the total of 400,316,307. Now subtract 400,316,055 to get 252,916,329