Q: What is the sum of all factors of the number 661,220 excluding 661,220?
A: 926,044
The factors of the number 661,220 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4723, 9446, 18892, 23615, 33061, 47230, 66122, 94460, 132244, 165305, 330610, 661220.
If you add them up, you will get the total of 662,146. Now subtract 661,220 to get 926,044