Q: What is the sum of all factors of the number 129,428 including 129,428?
A: 258,720
The factors of the number 129,428 are: 1, 2, 4, 13, 19, 26, 38, 52, 76, 131, 247, 262, 494, 524, 988, 1703, 2489, 3406, 4978, 6812, 9956, 32357, 64714, 129428.
If you add them up, you will get the total of 258,720.