Q: What is the sum of all factors of the number 103,890 excluding 103,890?
A: 145,518
The factors of the number 103,890 are: 1, 2, 3, 5, 6, 10, 15, 30, 3463, 6926, 10389, 17315, 20778, 34630, 51945, 103890.
If you add them up, you will get the total of 104,035. Now subtract 103,890 to get 145,518