Q: What is the sum of all factors of the number 404,820 excluding 404,820?

A: 925,236

Why is 925,236 the sum of all factors of 404,820, excluding 404,820?

The factors of the number 404,820 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 173, 180, 195, 234, 260, 346, 390, 468, 519, 585, 692, 780, 865, 1038, 1170, 1557, 1730, 2076, 2249, 2340, 2595, 3114, 3460, 4498, 5190, 6228, 6747, 7785, 8996, 10380, 11245, 13494, 15570, 20241, 22490, 26988, 31140, 33735, 40482, 44980, 67470, 80964, 101205, 134940, 202410, 404820.

If you add them up, you will get the total of 405,745. Now subtract 404,820 to get 925,236