Q: What is the sum of all factors of the number 219,890 excluding 219,890?
A: 212,110
The factors of the number 219,890 are: 1, 2, 5, 10, 11, 22, 55, 110, 1999, 3998, 9995, 19990, 21989, 43978, 109945, 219890.
If you add them up, you will get the total of 220,102. Now subtract 219,890 to get 212,110