Q: What is the sum of all factors of the number 997,780 excluding 997,780?
A: 1,397,228
The factors of the number 997,780 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 7127, 14254, 28508, 35635, 49889, 71270, 99778, 142540, 199556, 249445, 498890, 997780.
If you add them up, you will get the total of 997,781. Now subtract 997,780 to get 1,397,228