Q: What is the sum of all factors of the number 1,991,945 including 1,991,945?
A: 2,400,840
The factors of the number 1,991,945 are: 1, 5, 269, 1345, 1481, 7405, 398389, 1991945.
If you add them up, you will get the total of 2,400,840.