Q: What is the sum of all factors of the number 1,121,720 excluding 1,121,720?
A: 1,491,880
The factors of the number 1,121,720 are: 1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 967, 1160, 1934, 3868, 4835, 7736, 9670, 19340, 28043, 38680, 56086, 112172, 140215, 224344, 280430, 560860, 1121720.
If you add them up, you will get the total of 1,121,721. Now subtract 1,121,720 to get 1,491,880