Q: What is the sum of all factors of the number 396,140 including 396,140?
A: 861,840
The factors of the number 396,140 are: 1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 683, 1366, 2732, 3415, 6830, 13660, 19807, 39614, 79228, 99035, 198070, 396140.
If you add them up, you will get the total of 861,840.