Q: What is the sum of all factors of the number 645,620 including 645,620?
A: 1,428,000
The factors of the number 645,620 are: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1699, 3398, 6796, 8495, 16990, 32281, 33980, 64562, 129124, 161405, 322810, 645620.
If you add them up, you will get the total of 1,428,000.