Q: What is the sum of all factors of the number 317,420 including 317,420?
A: 680,400
The factors of the number 317,420 are: 1, 2, 4, 5, 10, 20, 59, 118, 236, 269, 295, 538, 590, 1076, 1180, 1345, 2690, 5380, 15871, 31742, 63484, 79355, 158710, 317420.
If you add them up, you will get the total of 680,400.