91627820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 200188800

約数和(自身を除く): 108560980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 239, 290, 478, 580, 661, 956, 1195, 1322, 2390, 2644, 3305, 4780, 6610, 6931, 13220, 13862, 19169, 27724, 34655, 38338, 69310, 76676, 95845, 138620, 157979, 191690, 315958, 383380, 631916, 789895, 1579790, 3159580, 4581391, 9162782, 18325564, 22906955, 45813910, 91627820]

約数ペア:

[(1, 91627820), (2, 45813910), (4, 22906955), (5, 18325564), (10, 9162782), (20, 4581391), (29, 3159580), (58, 1579790), (116, 789895), (145, 631916), (239, 383380), (290, 315958), (478, 191690), (580, 157979), (661, 138620), (956, 95845), (1195, 76676), (1322, 69310), (2390, 38338), (2644, 34655), (3305, 27724), (4780, 19169), (6610, 13862), (6931, 13220)]