Q: What is the sum of all factors of the number 309,820 excluding 309,820?
A: 434,084
The factors of the number 309,820 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2213, 4426, 8852, 11065, 15491, 22130, 30982, 44260, 61964, 77455, 154910, 309820.
If you add them up, you will get the total of 310,254. Now subtract 309,820 to get 434,084