30420970

素因数分解:

$2^1\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{1987}}^1$

素因数の和:3525

約数の個数: 16

約数和(自身を含む): 54821088

約数和(自身を除く): 24400118

約数列:

[1, 2, 5, 10, 1531, 1987, 3062, 3974, 7655, 9935, 15310, 19870, 3042097, 6084194, 15210485, 30420970]

約数ペア:

[(1, 30420970), (2, 15210485), (5, 6084194), (10, 3042097), (1531, 19870), (1987, 15310), (3062, 9935), (3974, 7655)]