Q: What is the sum of all factors of the number 398,840 excluding 398,840?
A: 589,360
The factors of the number 398,840 are: 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 169, 236, 260, 295, 338, 472, 520, 590, 676, 767, 845, 1180, 1352, 1534, 1690, 2360, 3068, 3380, 3835, 6136, 6760, 7670, 9971, 15340, 19942, 30680, 39884, 49855, 79768, 99710, 199420, 398840.
If you add them up, you will get the total of 399,429. Now subtract 398,840 to get 589,360