Q: What is the sum of all factors of the number 1,236,280 including 1,236,280?
A: 2,874,240
The factors of the number 1,236,280 are: 1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 997, 1240, 1994, 3988, 4985, 7976, 9970, 19940, 30907, 39880, 61814, 123628, 154535, 247256, 309070, 618140, 1236280.
If you add them up, you will get the total of 2,874,240.