121685810

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 222640704

約数和(自身を除く): 100954894

約数列:

[1, 2, 5, 10, 101, 202, 211, 422, 505, 571, 1010, 1055, 1142, 2110, 2855, 5710, 21311, 42622, 57671, 106555, 115342, 120481, 213110, 240962, 288355, 576710, 602405, 1204810, 12168581, 24337162, 60842905, 121685810]

約数ペア:

[(1, 121685810), (2, 60842905), (5, 24337162), (10, 12168581), (101, 1204810), (202, 602405), (211, 576710), (422, 288355), (505, 240962), (571, 213110), (1010, 120481), (1055, 115342), (1142, 106555), (2110, 57671), (2855, 42622), (5710, 21311)]