Q: What is the sum of all factors of the number 171,890 excluding 171,890?
A: 137,530
The factors of the number 171,890 are: 1, 2, 5, 10, 17189, 34378, 85945, 171890.
If you add them up, you will get the total of 172,027. Now subtract 171,890 to get 137,530