390740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2791}}^1$

素因数の和:2807

約数の個数: 24

約数和(自身を含む): 938112

約数和(自身を除く): 547372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2791, 5582, 11164, 13955, 19537, 27910, 39074, 55820, 78148, 97685, 195370, 390740]

約数ペア:

[(1, 390740), (2, 195370), (4, 97685), (5, 78148), (7, 55820), (10, 39074), (14, 27910), (20, 19537), (28, 13955), (35, 11164), (70, 5582), (140, 2791)]