Q: What is the sum of all factors of the number 2,156,780 excluding 2,156,780?
A: 2,372,500
The factors of the number 2,156,780 are: 1, 2, 4, 5, 10, 20, 107839, 215678, 431356, 539195, 1078390, 2156780.
If you add them up, you will get the total of 2,156,782. Now subtract 2,156,780 to get 2,372,500