164459644420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{20641}}^1$

素因数の和:20933

約数の個数: 96

約数和(自身を含む): 363542280192

約数和(自身を除く): 199082635772

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 181, 284, 310, 355, 362, 620, 710, 724, 905, 1420, 1810, 2201, 3620, 4402, 5611, 8804, 11005, 11222, 12851, 20641, 22010, 22444, 25702, 28055, 41282, 44020, 51404, 56110, 64255, 82564, 103205, 112220, 128510, 206410, 257020, 398381, 412820, 639871, 796762, 1279742, 1465511, 1593524, 1991905, 2559484, 2931022, 3199355, 3736021, 3983810, 5862044, 6398710, 7327555, 7472042, 7967620, 12797420, 14655110, 14944084, 18680105, 29310220, 37360210, 45430841, 74720420, 90861682, 115816651, 181723364, 227154205, 231633302, 265257491, 454308410, 463266604, 530514982, 579083255, 908616820, 1061029964, 1158166510, 1326287455, 2316333020, 2652574910, 5305149820, 8222982221, 16445964442, 32891928884, 41114911105, 82229822210, 164459644420]

約数ペア:

[(1, 164459644420), (2, 82229822210), (4, 41114911105), (5, 32891928884), (10, 16445964442), (20, 8222982221), (31, 5305149820), (62, 2652574910), (71, 2316333020), (124, 1326287455), (142, 1158166510), (155, 1061029964), (181, 908616820), (284, 579083255), (310, 530514982), (355, 463266604), (362, 454308410), (620, 265257491), (710, 231633302), (724, 227154205), (905, 181723364), (1420, 115816651), (1810, 90861682), (2201, 74720420), (3620, 45430841), (4402, 37360210), (5611, 29310220), (8804, 18680105), (11005, 14944084), (11222, 14655110), (12851, 12797420), (20641, 7967620), (22010, 7472042), (22444, 7327555), (25702, 6398710), (28055, 5862044), (41282, 3983810), (44020, 3736021), (51404, 3199355), (56110, 2931022), (64255, 2559484), (82564, 1991905), (103205, 1593524), (112220, 1465511), (128510, 1279742), (206410, 796762), (257020, 639871), (398381, 412820)]