Q: What is the sum of all factors of the number 612,580 excluding 612,580?
A: 690,260
The factors of the number 612,580 are: 1, 2, 4, 5, 10, 20, 109, 218, 281, 436, 545, 562, 1090, 1124, 1405, 2180, 2810, 5620, 30629, 61258, 122516, 153145, 306290, 612580.
If you add them up, you will get the total of 613,270. Now subtract 612,580 to get 690,260