400974310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{13451}}^1$

素因数の和:13740

約数の個数: 32

約数和(自身を含む): 790331904

約数和(自身を除く): 389357594

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 271, 542, 1355, 2710, 2981, 5962, 13451, 14905, 26902, 29810, 67255, 134510, 147961, 295922, 739805, 1479610, 3645221, 7290442, 18226105, 36452210, 40097431, 80194862, 200487155, 400974310]

約数ペア:

[(1, 400974310), (2, 200487155), (5, 80194862), (10, 40097431), (11, 36452210), (22, 18226105), (55, 7290442), (110, 3645221), (271, 1479610), (542, 739805), (1355, 295922), (2710, 147961), (2981, 134510), (5962, 67255), (13451, 29810), (14905, 26902)]