201717620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:945

約数の個数: 96

約数和(自身を含む): 487710720

約数和(自身を除く): 285993100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 31, 52, 58, 62, 65, 116, 124, 130, 145, 155, 260, 290, 310, 377, 403, 580, 620, 754, 806, 863, 899, 1508, 1612, 1726, 1798, 1885, 2015, 3452, 3596, 3770, 4030, 4315, 4495, 7540, 8060, 8630, 8990, 11219, 11687, 17260, 17980, 22438, 23374, 25027, 26753, 44876, 46748, 50054, 53506, 56095, 58435, 100108, 107012, 112190, 116870, 125135, 133765, 224380, 233740, 250270, 267530, 325351, 347789, 500540, 535060, 650702, 695578, 775837, 1301404, 1391156, 1551674, 1626755, 1738945, 3103348, 3253510, 3477890, 3879185, 6507020, 6955780, 7758370, 10085881, 15516740, 20171762, 40343524, 50429405, 100858810, 201717620]

約数ペア:

[(1, 201717620), (2, 100858810), (4, 50429405), (5, 40343524), (10, 20171762), (13, 15516740), (20, 10085881), (26, 7758370), (29, 6955780), (31, 6507020), (52, 3879185), (58, 3477890), (62, 3253510), (65, 3103348), (116, 1738945), (124, 1626755), (130, 1551674), (145, 1391156), (155, 1301404), (260, 775837), (290, 695578), (310, 650702), (377, 535060), (403, 500540), (580, 347789), (620, 325351), (754, 267530), (806, 250270), (863, 233740), (899, 224380), (1508, 133765), (1612, 125135), (1726, 116870), (1798, 112190), (1885, 107012), (2015, 100108), (3452, 58435), (3596, 56095), (3770, 53506), (4030, 50054), (4315, 46748), (4495, 44876), (7540, 26753), (8060, 25027), (8630, 23374), (8990, 22438), (11219, 17980), (11687, 17260)]