Q: What is the sum of all factors of the number 830,640 excluding 830,640?

A: 1,745,088

Why is 1,745,088 the sum of all factors of 830,640, excluding 830,640?

The factors of the number 830,640 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3461, 6922, 10383, 13844, 17305, 20766, 27688, 34610, 41532, 51915, 55376, 69220, 83064, 103830, 138440, 166128, 207660, 276880, 415320, 830640.

If you add them up, you will get the total of 830,641. Now subtract 830,640 to get 1,745,088