Q: What is the sum of all factors of the number 709,640 excluding 709,640?
A: 911,440
The factors of the number 709,640 are: 1, 2, 4, 5, 8, 10, 20, 40, 113, 157, 226, 314, 452, 565, 628, 785, 904, 1130, 1256, 1570, 2260, 3140, 4520, 6280, 17741, 35482, 70964, 88705, 141928, 177410, 354820, 709640.
If you add them up, you will get the total of 710,551. Now subtract 709,640 to get 911,440