Q: What is the sum of all factors of the number 679,520 excluding 679,520?
A: 989,728
The factors of the number 679,520 are: 1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 137, 155, 160, 248, 274, 310, 496, 548, 620, 685, 992, 1096, 1240, 1370, 2192, 2480, 2740, 4247, 4384, 4960, 5480, 8494, 10960, 16988, 21235, 21920, 33976, 42470, 67952, 84940, 135904, 169880, 339760, 679520.
If you add them up, you will get the total of 680,509. Now subtract 679,520 to get 989,728