The factors of 21 that add up to 8 are 1 and 7.
factors of 30 that add to 17 are 2 and 15
The factors of 9 are 1, 3 and 9.
15 and 4 are the factors of 120 that add up to 19.
115
212
170
100 and 100 can add to 200 50, 50, 50, and 50 can add to 200 8 25s can add to 200 20 10s can add to 200
The factors of 21 that add up to 8 are 1 and 7.
180: it has 18 factors.
None. Factors don't add, they multiply.
20100
The factors of 8 are 1, 2, 4, and 8. The factors that add up to 10 are 2 and 8.
Factors multiply. The same set of numbers won't add up to both 140 and 240, but 120 and 20 are factors of 240 that total 140.
It wasn't me, but I would have come up with 33. The four factors of 33 add up to 48.
-1005
167