20170409440

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^2\times {\mathrm{149899}}^1$

素因数の和:149972

約数の個数: 72

約数和(自身を含む): 49352776200

約数和(自身を除く): 29182366760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 841, 928, 1160, 1682, 2320, 3364, 4205, 4640, 6728, 8410, 13456, 16820, 26912, 33640, 67280, 134560, 149899, 299798, 599596, 749495, 1199192, 1498990, 2398384, 2997980, 4347071, 4796768, 5995960, 8694142, 11991920, 17388284, 21735355, 23983840, 34776568, 43470710, 69553136, 86941420, 126065059, 139106272, 173882840, 252130118, 347765680, 504260236, 630325295, 695531360, 1008520472, 1260650590, 2017040944, 2521301180, 4034081888, 5042602360, 10085204720, 20170409440]

約数ペア:

[(1, 20170409440), (2, 10085204720), (4, 5042602360), (5, 4034081888), (8, 2521301180), (10, 2017040944), (16, 1260650590), (20, 1008520472), (29, 695531360), (32, 630325295), (40, 504260236), (58, 347765680), (80, 252130118), (116, 173882840), (145, 139106272), (160, 126065059), (232, 86941420), (290, 69553136), (464, 43470710), (580, 34776568), (841, 23983840), (928, 21735355), (1160, 17388284), (1682, 11991920), (2320, 8694142), (3364, 5995960), (4205, 4796768), (4640, 4347071), (6728, 2997980), (8410, 2398384), (13456, 1498990), (16820, 1199192), (26912, 749495), (33640, 599596), (67280, 299798), (134560, 149899)]