Q: What is the sum of all factors of the number 412,890 excluding 412,890?
A: 578,118
The factors of the number 412,890 are: 1, 2, 3, 5, 6, 10, 15, 30, 13763, 27526, 41289, 68815, 82578, 137630, 206445, 412890.
If you add them up, you will get the total of 413,468. Now subtract 412,890 to get 578,118