71423380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2405

約数の個数: 72

約数和(自身を含む): 180182016

約数和(自身を除く): 108758636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 2351, 3038, 4340, 4702, 6076, 7595, 9404, 11755, 15190, 16457, 23510, 30380, 32914, 47020, 65828, 72881, 82285, 115199, 145762, 164570, 230398, 291524, 329140, 364405, 460796, 510167, 575995, 728810, 1020334, 1151990, 1457620, 2040668, 2303980, 2550835, 3571169, 5101670, 7142338, 10203340, 14284676, 17855845, 35711690, 71423380]

約数ペア:

[(1, 71423380), (2, 35711690), (4, 17855845), (5, 14284676), (7, 10203340), (10, 7142338), (14, 5101670), (20, 3571169), (28, 2550835), (31, 2303980), (35, 2040668), (49, 1457620), (62, 1151990), (70, 1020334), (98, 728810), (124, 575995), (140, 510167), (155, 460796), (196, 364405), (217, 329140), (245, 291524), (310, 230398), (434, 164570), (490, 145762), (620, 115199), (868, 82285), (980, 72881), (1085, 65828), (1519, 47020), (2170, 32914), (2351, 30380), (3038, 23510), (4340, 16457), (4702, 15190), (6076, 11755), (7595, 9404)]