Q: What is the sum of all factors of the number 321,880 excluding 321,880?
A: 459,320
The factors of the number 321,880 are: 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 619, 1238, 2476, 3095, 4952, 6190, 8047, 12380, 16094, 24760, 32188, 40235, 64376, 80470, 160940, 321880.
If you add them up, you will get the total of 322,339. Now subtract 321,880 to get 459,320