Q: What is the sum of all factors of the number 402,360 excluding 402,360?

A: 980,040

Why is 980,040 the sum of all factors of 402,360, excluding 402,360?

The factors of the number 402,360 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 479, 840, 958, 1437, 1916, 2395, 2874, 3353, 3832, 4790, 5748, 6706, 7185, 9580, 10059, 11496, 13412, 14370, 16765, 19160, 20118, 26824, 28740, 33530, 40236, 50295, 57480, 67060, 80472, 100590, 134120, 201180, 402360.

If you add them up, you will get the total of 403,340. Now subtract 402,360 to get 980,040