217807980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9629}}^1$

素因数の和:9683

約数の個数: 96

約数和(自身を含む): 679492800

約数和(自身を除く): 461684820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 260, 290, 348, 377, 390, 435, 580, 754, 780, 870, 1131, 1508, 1740, 1885, 2262, 3770, 4524, 5655, 7540, 9629, 11310, 19258, 22620, 28887, 38516, 48145, 57774, 96290, 115548, 125177, 144435, 192580, 250354, 279241, 288870, 375531, 500708, 558482, 577740, 625885, 751062, 837723, 1116964, 1251770, 1396205, 1502124, 1675446, 1877655, 2503540, 2792410, 3350892, 3630133, 3755310, 4188615, 5584820, 7260266, 7510620, 8377230, 10890399, 14520532, 16754460, 18150665, 21780798, 36301330, 43561596, 54451995, 72602660, 108903990, 217807980]

約数ペア:

[(1, 217807980), (2, 108903990), (3, 72602660), (4, 54451995), (5, 43561596), (6, 36301330), (10, 21780798), (12, 18150665), (13, 16754460), (15, 14520532), (20, 10890399), (26, 8377230), (29, 7510620), (30, 7260266), (39, 5584820), (52, 4188615), (58, 3755310), (60, 3630133), (65, 3350892), (78, 2792410), (87, 2503540), (116, 1877655), (130, 1675446), (145, 1502124), (156, 1396205), (174, 1251770), (195, 1116964), (260, 837723), (290, 751062), (348, 625885), (377, 577740), (390, 558482), (435, 500708), (580, 375531), (754, 288870), (780, 279241), (870, 250354), (1131, 192580), (1508, 144435), (1740, 125177), (1885, 115548), (2262, 96290), (3770, 57774), (4524, 48145), (5655, 38516), (7540, 28887), (9629, 22620), (11310, 19258)]