127420210

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{310781}}^1$

素因数の和:310829

約数の個数: 16

約数和(自身を含む): 234951192

約数和(自身を除く): 107530982

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 310781, 621562, 1553905, 3107810, 12742021, 25484042, 63710105, 127420210]

約数ペア:

[(1, 127420210), (2, 63710105), (5, 25484042), (10, 12742021), (41, 3107810), (82, 1553905), (205, 621562), (410, 310781)]