Q: What is the sum of all factors of the number 128,172 excluding 128,172?
A: 198,420
The factors of the number 128,172 are: 1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 971, 1942, 2913, 3884, 5826, 10681, 11652, 21362, 32043, 42724, 64086, 128172.
If you add them up, you will get the total of 128,370. Now subtract 128,172 to get 198,420