Q: What is the sum of all factors of the number 257,140 including 257,140?
A: 620,928
The factors of the number 257,140 are: 1, 2, 4, 5, 10, 13, 20, 23, 26, 43, 46, 52, 65, 86, 92, 115, 130, 172, 215, 230, 260, 299, 430, 460, 559, 598, 860, 989, 1118, 1196, 1495, 1978, 2236, 2795, 2990, 3956, 4945, 5590, 5980, 9890, 11180, 12857, 19780, 25714, 51428, 64285, 128570, 257140.
If you add them up, you will get the total of 620,928.