Factors / Factors of 250

Factors of 250

1, 2, 5, 10, 25, 50, 125, 250

250 breaks into 4 pairs, tested up to √250 ≈ 15.8; each pair multiplies back to 250 exactly. 250's full pair list is (1, 250), (2, 125), (5, 50), (10, 25), for 8 divisors in total. 250's divisors other than 250 itself sum to just 218, 32 below 250: the common deficient case. 250 is even, digit sum 7 for 250; small divisors of 250 include 2, 5, 10. 250 has 8 divisors; 249 has 4 and 251 has 2, so 250 wins here. 250 divided by its largest divisor, 125, gives 2.