309252460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1405693}}^1$

素因数の和:1405713

約数の個数: 24

約数和(自身を含む): 708469776

約数和(自身を除く): 399217316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1405693, 2811386, 5622772, 7028465, 14056930, 15462623, 28113860, 30925246, 61850492, 77313115, 154626230, 309252460]

約数ペア:

[(1, 309252460), (2, 154626230), (4, 77313115), (5, 61850492), (10, 30925246), (11, 28113860), (20, 15462623), (22, 14056930), (44, 7028465), (55, 5622772), (110, 2811386), (220, 1405693)]