74688280

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{5381}}^1$

素因数の和:5739

約数の個数: 32

約数和(自身を含む): 168564240

約数和(自身を除く): 93875960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 3470, 5381, 6940, 10762, 13880, 21524, 26905, 43048, 53810, 107620, 215240, 1867207, 3734414, 7468828, 9336035, 14937656, 18672070, 37344140, 74688280]

約数ペア:

[(1, 74688280), (2, 37344140), (4, 18672070), (5, 14937656), (8, 9336035), (10, 7468828), (20, 3734414), (40, 1867207), (347, 215240), (694, 107620), (1388, 53810), (1735, 43048), (2776, 26905), (3470, 21524), (5381, 13880), (6940, 10762)]