30527180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^2$

素因数の和:366

約数の個数: 36

約数和(自身を含む): 65388960

約数和(自身を除く): 34861780

約数列:

[1, 2, 4, 5, 10, 20, 79, 139, 158, 278, 316, 395, 556, 695, 790, 1390, 1580, 2780, 10981, 19321, 21962, 38642, 43924, 54905, 77284, 96605, 109810, 193210, 219620, 386420, 1526359, 3052718, 6105436, 7631795, 15263590, 30527180]

約数ペア:

[(1, 30527180), (2, 15263590), (4, 7631795), (5, 6105436), (10, 3052718), (20, 1526359), (79, 386420), (139, 219620), (158, 193210), (278, 109810), (316, 96605), (395, 77284), (556, 54905), (695, 43924), (790, 38642), (1390, 21962), (1580, 19321), (2780, 10981)]