Q: What is the sum of all factors of the number 259,090 excluding 259,090?
A: 243,398
The factors of the number 259,090 are: 1, 2, 5, 10, 13, 26, 65, 130, 1993, 3986, 9965, 19930, 25909, 51818, 129545, 259090.
If you add them up, you will get the total of 259,333. Now subtract 259,090 to get 243,398