199937540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{908807}}^1$

素因数の和:908827

約数の個数: 24

約数和(自身を含む): 458039232

約数和(自身を除く): 258101692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 908807, 1817614, 3635228, 4544035, 9088070, 9996877, 18176140, 19993754, 39987508, 49984385, 99968770, 199937540]

約数ペア:

[(1, 199937540), (2, 99968770), (4, 49984385), (5, 39987508), (10, 19993754), (11, 18176140), (20, 9996877), (22, 9088070), (44, 4544035), (55, 3635228), (110, 1817614), (220, 908807)]