138361020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{329431}}^1$

素因数の和:329450

約数の個数: 48

約数和(自身を含む): 442756608

約数和(自身を除く): 304395588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 329431, 658862, 988293, 1317724, 1647155, 1976586, 2306017, 3294310, 3953172, 4612034, 4941465, 6588620, 6918051, 9224068, 9882930, 11530085, 13836102, 19765860, 23060170, 27672204, 34590255, 46120340, 69180510, 138361020]

約数ペア:

[(1, 138361020), (2, 69180510), (3, 46120340), (4, 34590255), (5, 27672204), (6, 23060170), (7, 19765860), (10, 13836102), (12, 11530085), (14, 9882930), (15, 9224068), (20, 6918051), (21, 6588620), (28, 4941465), (30, 4612034), (35, 3953172), (42, 3294310), (60, 2306017), (70, 1976586), (84, 1647155), (105, 1317724), (140, 988293), (210, 658862), (420, 329431)]