Q: What is the sum of all factors of the number 398,320 excluding 398,320?
A: 601,616
The factors of the number 398,320 are: 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 383, 520, 766, 1040, 1532, 1915, 3064, 3830, 4979, 6128, 7660, 9958, 15320, 19916, 24895, 30640, 39832, 49790, 79664, 99580, 199160, 398320.
If you add them up, you will get the total of 398,921. Now subtract 398,320 to get 601,616