Q: What is the sum of all factors of the number 1,421,240 including 1,421,240?
A: 3,197,880
The factors of the number 1,421,240 are: 1, 2, 4, 5, 8, 10, 20, 40, 35531, 71062, 142124, 177655, 284248, 355310, 710620, 1421240.
If you add them up, you will get the total of 3,197,880.