87663940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{983}}^1$

素因数の和:1026

約数の個数: 96

約数和(自身を含む): 231436800

約数和(自身を除く): 143772860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 343, 364, 455, 490, 637, 686, 910, 980, 983, 1274, 1372, 1715, 1820, 1966, 2548, 3185, 3430, 3932, 4459, 4915, 6370, 6860, 6881, 8918, 9830, 12740, 12779, 13762, 17836, 19660, 22295, 25558, 27524, 34405, 44590, 48167, 51116, 63895, 68810, 89180, 89453, 96334, 127790, 137620, 178906, 192668, 240835, 255580, 337169, 357812, 447265, 481670, 626171, 674338, 894530, 963340, 1252342, 1348676, 1685845, 1789060, 2504684, 3130855, 3371690, 4383197, 6261710, 6743380, 8766394, 12523420, 17532788, 21915985, 43831970, 87663940]

約数ペア:

[(1, 87663940), (2, 43831970), (4, 21915985), (5, 17532788), (7, 12523420), (10, 8766394), (13, 6743380), (14, 6261710), (20, 4383197), (26, 3371690), (28, 3130855), (35, 2504684), (49, 1789060), (52, 1685845), (65, 1348676), (70, 1252342), (91, 963340), (98, 894530), (130, 674338), (140, 626171), (182, 481670), (196, 447265), (245, 357812), (260, 337169), (343, 255580), (364, 240835), (455, 192668), (490, 178906), (637, 137620), (686, 127790), (910, 96334), (980, 89453), (983, 89180), (1274, 68810), (1372, 63895), (1715, 51116), (1820, 48167), (1966, 44590), (2548, 34405), (3185, 27524), (3430, 25558), (3932, 22295), (4459, 19660), (4915, 17836), (6370, 13762), (6860, 12779), (6881, 12740), (8918, 9830)]