Q: What is the sum of all factors of the number 231,121,420 excluding 231,121,420?
A: 258,690,980
The factors of the number 231,121,420 are: 1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 106019, 212038, 424076, 530095, 1060190, 2120380, 11556071, 23112142, 46224284, 57780355, 115560710, 231121420.
If you add them up, you will get the total of 231,121,678. Now subtract 231,121,420 to get 258,690,980