42300820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 91986048

約数和(自身を除く): 49685228

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 172, 202, 215, 404, 430, 487, 505, 860, 974, 1010, 1948, 2020, 2435, 4343, 4870, 8686, 9740, 17372, 20941, 21715, 41882, 43430, 49187, 83764, 86860, 98374, 104705, 196748, 209410, 245935, 418820, 491870, 983740, 2115041, 4230082, 8460164, 10575205, 21150410, 42300820]

約数ペア:

[(1, 42300820), (2, 21150410), (4, 10575205), (5, 8460164), (10, 4230082), (20, 2115041), (43, 983740), (86, 491870), (101, 418820), (172, 245935), (202, 209410), (215, 196748), (404, 104705), (430, 98374), (487, 86860), (505, 83764), (860, 49187), (974, 43430), (1010, 41882), (1948, 21715), (2020, 20941), (2435, 17372), (4343, 9740), (4870, 8686)]