181236980

素因数分解:

$2^2\times 5^1\times {\mathrm{1459}}^1\times {\mathrm{6211}}^1$

素因数の和:7679

約数の個数: 24

約数和(自身を含む): 380919840

約数和(自身を除く): 199682860

約数列:

[1, 2, 4, 5, 10, 20, 1459, 2918, 5836, 6211, 7295, 12422, 14590, 24844, 29180, 31055, 62110, 124220, 9061849, 18123698, 36247396, 45309245, 90618490, 181236980]

約数ペア:

[(1, 181236980), (2, 90618490), (4, 45309245), (5, 36247396), (10, 18123698), (20, 9061849), (1459, 124220), (2918, 62110), (5836, 31055), (6211, 29180), (7295, 24844), (12422, 14590)]