Q: What is the sum of all factors of the number 551,440 excluding 551,440?

A: 763,208

Why is 763,208 the sum of all factors of 551,440, excluding 551,440?

The factors of the number 551,440 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 113, 122, 226, 244, 305, 452, 488, 565, 610, 904, 976, 1130, 1220, 1808, 2260, 2440, 4520, 4880, 6893, 9040, 13786, 27572, 34465, 55144, 68930, 110288, 137860, 275720, 551440.

If you add them up, you will get the total of 552,203. Now subtract 551,440 to get 763,208