Q: What is the sum of all factors of the number 213,880 excluding 213,880?
A: 267,440
The factors of the number 213,880 are: 1, 2, 4, 5, 8, 10, 20, 40, 5347, 10694, 21388, 26735, 42776, 53470, 106940, 213880.
If you add them up, you will get the total of 214,147. Now subtract 213,880 to get 267,440