145433420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661061}}^1$

素因数の和:661081

約数の個数: 24

約数和(自身を含む): 333175248

約数和(自身を除く): 187741828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 661061, 1322122, 2644244, 3305305, 6610610, 7271671, 13221220, 14543342, 29086684, 36358355, 72716710, 145433420]

約数ペア:

[(1, 145433420), (2, 72716710), (4, 36358355), (5, 29086684), (10, 14543342), (11, 13221220), (20, 7271671), (22, 6610610), (44, 3305305), (55, 2644244), (110, 1322122), (220, 661061)]