185691380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2129}}^1$

素因数の和:2241

約数の個数: 72

約数和(自身を含む): 458929800

約数和(自身を除く): 273238420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1780, 2129, 2492, 3115, 4258, 4361, 6230, 8516, 8722, 10645, 12460, 14903, 17444, 21290, 21805, 29806, 42580, 43610, 59612, 74515, 87220, 104321, 149030, 189481, 208642, 298060, 378962, 417284, 521605, 757924, 947405, 1043210, 1326367, 1894810, 2086420, 2652734, 3789620, 5305468, 6631835, 9284569, 13263670, 18569138, 26527340, 37138276, 46422845, 92845690, 185691380]

約数ペア:

[(1, 185691380), (2, 92845690), (4, 46422845), (5, 37138276), (7, 26527340), (10, 18569138), (14, 13263670), (20, 9284569), (28, 6631835), (35, 5305468), (49, 3789620), (70, 2652734), (89, 2086420), (98, 1894810), (140, 1326367), (178, 1043210), (196, 947405), (245, 757924), (356, 521605), (445, 417284), (490, 378962), (623, 298060), (890, 208642), (980, 189481), (1246, 149030), (1780, 104321), (2129, 87220), (2492, 74515), (3115, 59612), (4258, 43610), (4361, 42580), (6230, 29806), (8516, 21805), (8722, 21290), (10645, 17444), (12460, 14903)]