90453940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 215550720

約数和(自身を除く): 125096780

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 43, 46, 68, 85, 86, 92, 115, 170, 172, 215, 230, 269, 340, 391, 430, 460, 538, 731, 782, 860, 989, 1076, 1345, 1462, 1564, 1955, 1978, 2690, 2924, 3655, 3910, 3956, 4573, 4945, 5380, 6187, 7310, 7820, 9146, 9890, 11567, 12374, 14620, 16813, 18292, 19780, 22865, 23134, 24748, 30935, 33626, 45730, 46268, 57835, 61870, 67252, 84065, 91460, 105179, 115670, 123740, 168130, 196639, 210358, 231340, 266041, 336260, 393278, 420716, 525895, 532082, 786556, 983195, 1051790, 1064164, 1330205, 1966390, 2103580, 2660410, 3932780, 4522697, 5320820, 9045394, 18090788, 22613485, 45226970, 90453940]

約数ペア:

[(1, 90453940), (2, 45226970), (4, 22613485), (5, 18090788), (10, 9045394), (17, 5320820), (20, 4522697), (23, 3932780), (34, 2660410), (43, 2103580), (46, 1966390), (68, 1330205), (85, 1064164), (86, 1051790), (92, 983195), (115, 786556), (170, 532082), (172, 525895), (215, 420716), (230, 393278), (269, 336260), (340, 266041), (391, 231340), (430, 210358), (460, 196639), (538, 168130), (731, 123740), (782, 115670), (860, 105179), (989, 91460), (1076, 84065), (1345, 67252), (1462, 61870), (1564, 57835), (1955, 46268), (1978, 45730), (2690, 33626), (2924, 30935), (3655, 24748), (3910, 23134), (3956, 22865), (4573, 19780), (4945, 18292), (5380, 16813), (6187, 14620), (7310, 12374), (7820, 11567), (9146, 9890)]