149031920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23581}}^1$

素因数の和:23673

約数の個数: 40

約数和(自身を含む): 350900160

約数和(自身を除く): 201868240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 23581, 47162, 94324, 117905, 188648, 235810, 377296, 471620, 943240, 1862899, 1886480, 3725798, 7451596, 9314495, 14903192, 18628990, 29806384, 37257980, 74515960, 149031920]

約数ペア:

[(1, 149031920), (2, 74515960), (4, 37257980), (5, 29806384), (8, 18628990), (10, 14903192), (16, 9314495), (20, 7451596), (40, 3725798), (79, 1886480), (80, 1862899), (158, 943240), (316, 471620), (395, 377296), (632, 235810), (790, 188648), (1264, 117905), (1580, 94324), (3160, 47162), (6320, 23581)]