Q: What is the sum of all factors of the number 616,990 excluding 616,990?
A: 627,170
The factors of the number 616,990 are: 1, 2, 5, 10, 11, 22, 55, 71, 79, 110, 142, 158, 355, 395, 710, 781, 790, 869, 1562, 1738, 3905, 4345, 5609, 7810, 8690, 11218, 28045, 56090, 61699, 123398, 308495, 616990.
If you add them up, you will get the total of 617,617. Now subtract 616,990 to get 627,170