Q: What is the sum of all factors of the number 124,780 excluding 124,780?
A: 153,428
The factors of the number 124,780 are: 1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 367, 734, 1468, 1835, 3670, 6239, 7340, 12478, 24956, 31195, 62390, 124780.
If you add them up, you will get the total of 124,933. Now subtract 124,780 to get 153,428