Q: What is the sum of all factors of the number 747,830 excluding 747,830?
A: 721,834
The factors of the number 747,830 are: 1, 2, 5, 10, 17, 34, 53, 83, 85, 106, 166, 170, 265, 415, 530, 830, 901, 1411, 1802, 2822, 4399, 4505, 7055, 8798, 9010, 14110, 21995, 43990, 74783, 149566, 373915, 747830.
If you add them up, you will get the total of 748,551. Now subtract 747,830 to get 721,834