Q: What is the sum of all factors of the number 387,890 excluding 387,890?
A: 320,590
The factors of the number 387,890 are: 1, 2, 5, 10, 79, 158, 395, 491, 790, 982, 2455, 4910, 38789, 77578, 193945, 387890.
If you add them up, you will get the total of 388,210. Now subtract 387,890 to get 320,590