Factors / Factors of 430

Factors of 430

1, 2, 5, 10, 43, 86, 215, 430

430 breaks into 4 pairs, tested up to √430 ≈ 20.7; each pair multiplies back to 430 exactly. 430's full pair list is (1, 430), (2, 215), (5, 86), (10, 43), for 8 divisors in total. 430's divisors other than 430 itself sum to just 362, 68 below 430: the common deficient case. 430 is even, digit sum 7 for 430; small divisors of 430 include 2, 5, 10. 430 has 8 divisors; 429 has 8 and 431 has 2, so 429 wins here. 430 divided by its largest divisor, 215, gives 2.