Q: What is the sum of all factors of the number 247,720 excluding 247,720?
A: 361,400
The factors of the number 247,720 are: 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 563, 1126, 2252, 2815, 4504, 5630, 6193, 11260, 12386, 22520, 24772, 30965, 49544, 61930, 123860, 247720.
If you add them up, you will get the total of 248,081. Now subtract 247,720 to get 361,400