Q: What is the sum of all factors of the number 231,072,040 excluding 231,072,040?

A: 290,063,960

Why is 290,063,960 the sum of all factors of 231,072,040, excluding 231,072,040?

The factors of the number 231,072,040 are: 1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 13159, 17560, 26318, 52636, 65795, 105272, 131590, 263180, 526360, 5776801, 11553602, 23107204, 28884005, 46214408, 57768010, 115536020, 231072040.

If you add them up, you will get the total of 231,072,330. Now subtract 231,072,040 to get 290,063,960