17901477620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{9293}}^1$

素因数の和:9585

約数の個数: 96

約数和(自身を含む): 41970216960

約数和(自身を除く): 24068739340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 239, 260, 310, 403, 478, 620, 806, 956, 1195, 1612, 2015, 2390, 3107, 4030, 4780, 6214, 7409, 8060, 9293, 12428, 14818, 15535, 18586, 29636, 31070, 37045, 37172, 46465, 62140, 74090, 92930, 96317, 120809, 148180, 185860, 192634, 241618, 288083, 385268, 481585, 483236, 576166, 604045, 963170, 1152332, 1208090, 1440415, 1926340, 2221027, 2416180, 2880830, 3745079, 4442054, 5761660, 7490158, 8884108, 11105135, 14980316, 18725395, 22210270, 28873351, 37450790, 44420540, 57746702, 68851837, 74901580, 115493404, 137703674, 144366755, 275407348, 288733510, 344259185, 577467020, 688518370, 895073881, 1377036740, 1790147762, 3580295524, 4475369405, 8950738810, 17901477620]

約数ペア:

[(1, 17901477620), (2, 8950738810), (4, 4475369405), (5, 3580295524), (10, 1790147762), (13, 1377036740), (20, 895073881), (26, 688518370), (31, 577467020), (52, 344259185), (62, 288733510), (65, 275407348), (124, 144366755), (130, 137703674), (155, 115493404), (239, 74901580), (260, 68851837), (310, 57746702), (403, 44420540), (478, 37450790), (620, 28873351), (806, 22210270), (956, 18725395), (1195, 14980316), (1612, 11105135), (2015, 8884108), (2390, 7490158), (3107, 5761660), (4030, 4442054), (4780, 3745079), (6214, 2880830), (7409, 2416180), (8060, 2221027), (9293, 1926340), (12428, 1440415), (14818, 1208090), (15535, 1152332), (18586, 963170), (29636, 604045), (31070, 576166), (37045, 483236), (37172, 481585), (46465, 385268), (62140, 288083), (74090, 241618), (92930, 192634), (96317, 185860), (120809, 148180)]