Q: What is the sum of all factors of the number 553,720 excluding 553,720?
A: 713,480
The factors of the number 553,720 are: 1, 2, 4, 5, 8, 10, 20, 40, 109, 127, 218, 254, 436, 508, 545, 635, 872, 1016, 1090, 1270, 2180, 2540, 4360, 5080, 13843, 27686, 55372, 69215, 110744, 138430, 276860, 553720.
If you add them up, you will get the total of 554,433. Now subtract 553,720 to get 713,480