30345140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{216751}}^1$

素因数の和:216767

約数の個数: 24

約数和(自身を含む): 72828672

約数和(自身を除く): 42483532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 216751, 433502, 867004, 1083755, 1517257, 2167510, 3034514, 4335020, 6069028, 7586285, 15172570, 30345140]

約数ペア:

[(1, 30345140), (2, 15172570), (4, 7586285), (5, 6069028), (7, 4335020), (10, 3034514), (14, 2167510), (20, 1517257), (28, 1083755), (35, 867004), (70, 433502), (140, 216751)]