Q: What is the sum of all factors of the number 280,988 including 280,988?
A: 495,600
The factors of the number 280,988 are: 1, 2, 4, 199, 353, 398, 706, 796, 1412, 70247, 140494, 280988.
If you add them up, you will get the total of 495,600.