Q: What is the sum of all factors of the number 221,890 excluding 221,890?
A: 177,530
The factors of the number 221,890 are: 1, 2, 5, 10, 22189, 44378, 110945, 221890.
If you add them up, you will get the total of 222,067. Now subtract 221,890 to get 177,530