Q: What is the sum of all factors of the number 404,208 excluding 404,208?

A: 891,840

Why is 891,840 the sum of all factors of 404,208, excluding 404,208?

The factors of the number 404,208 are: 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 401, 504, 802, 1008, 1203, 1604, 2406, 2807, 3208, 3609, 4812, 5614, 6416, 7218, 8421, 9624, 11228, 14436, 16842, 19248, 22456, 25263, 28872, 33684, 44912, 50526, 57744, 67368, 101052, 134736, 202104, 404208.

If you add them up, you will get the total of 405,099. Now subtract 404,208 to get 891,840