Q: What is the sum of all factors of the number 1,257,140 excluding 1,257,140?
A: 1,403,980
The factors of the number 1,257,140 are: 1, 2, 4, 5, 10, 20, 239, 263, 478, 526, 956, 1052, 1195, 1315, 2390, 2630, 4780, 5260, 62857, 125714, 251428, 314285, 628570, 1257140.
If you add them up, you will get the total of 1,257,141. Now subtract 1,257,140 to get 1,403,980