218162540

素因数分解:

$2^2\times 5^1\times {\mathrm{2273}}^1\times {\mathrm{4799}}^1$

素因数の和:7081

約数の個数: 24

約数和(自身を含む): 458438400

約数和(自身を除く): 240275860

約数列:

[1, 2, 4, 5, 10, 20, 2273, 4546, 4799, 9092, 9598, 11365, 19196, 22730, 23995, 45460, 47990, 95980, 10908127, 21816254, 43632508, 54540635, 109081270, 218162540]

約数ペア:

[(1, 218162540), (2, 109081270), (4, 54540635), (5, 43632508), (10, 21816254), (20, 10908127), (2273, 95980), (4546, 47990), (4799, 45460), (9092, 23995), (9598, 22730), (11365, 19196)]