29905820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{213613}}^1$

素因数の和:213629

約数の個数: 24

約数和(自身を含む): 71774304

約数和(自身を除く): 41868484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 213613, 427226, 854452, 1068065, 1495291, 2136130, 2990582, 4272260, 5981164, 7476455, 14952910, 29905820]

約数ペア:

[(1, 29905820), (2, 14952910), (4, 7476455), (5, 5981164), (7, 4272260), (10, 2990582), (14, 2136130), (20, 1495291), (28, 1068065), (35, 854452), (70, 427226), (140, 213613)]