Q: What is the sum of all factors of the number 99,890 excluding 99,890?
A: 105,742
The factors of the number 99,890 are: 1, 2, 5, 7, 10, 14, 35, 70, 1427, 2854, 7135, 9989, 14270, 19978, 49945, 99890.
If you add them up, you will get the total of 99,995. Now subtract 99,890 to get 105,742