143218360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 329702400

約数和(自身を除く): 186484040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 211, 239, 284, 355, 422, 478, 568, 710, 844, 956, 1055, 1195, 1420, 1688, 1912, 2110, 2390, 2840, 4220, 4780, 8440, 9560, 14981, 16969, 29962, 33938, 50429, 59924, 67876, 74905, 84845, 100858, 119848, 135752, 149810, 169690, 201716, 252145, 299620, 339380, 403432, 504290, 599240, 678760, 1008580, 2017160, 3580459, 7160918, 14321836, 17902295, 28643672, 35804590, 71609180, 143218360]

約数ペア:

[(1, 143218360), (2, 71609180), (4, 35804590), (5, 28643672), (8, 17902295), (10, 14321836), (20, 7160918), (40, 3580459), (71, 2017160), (142, 1008580), (211, 678760), (239, 599240), (284, 504290), (355, 403432), (422, 339380), (478, 299620), (568, 252145), (710, 201716), (844, 169690), (956, 149810), (1055, 135752), (1195, 119848), (1420, 100858), (1688, 84845), (1912, 74905), (2110, 67876), (2390, 59924), (2840, 50429), (4220, 33938), (4780, 29962), (8440, 16969), (9560, 14981)]