Q: What is the sum of all factors of the number 851,720 excluding 851,720?
A: 1,092,280
The factors of the number 851,720 are: 1, 2, 4, 5, 8, 10, 20, 40, 107, 199, 214, 398, 428, 535, 796, 856, 995, 1070, 1592, 1990, 2140, 3980, 4280, 7960, 21293, 42586, 85172, 106465, 170344, 212930, 425860, 851720.
If you add them up, you will get the total of 851,721. Now subtract 851,720 to get 1,092,280