Q: What is the sum of all factors of the number 381,890 excluding 381,890?
A: 305,530
The factors of the number 381,890 are: 1, 2, 5, 10, 38189, 76378, 190945, 381890.
If you add them up, you will get the total of 382,195. Now subtract 381,890 to get 305,530