Q: What is the sum of all factors of the number 1,391,720 excluding 1,391,720?
A: 2,025,400
The factors of the number 1,391,720 are: 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3163, 6326, 12652, 15815, 25304, 31630, 34793, 63260, 69586, 126520, 139172, 173965, 278344, 347930, 695860, 1391720.
If you add them up, you will get the total of 1,391,722. Now subtract 1,391,720 to get 2,025,400