128070740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{914791}}^1$

素因数の和:914807

約数の個数: 24

約数和(自身を含む): 307370112

約数和(自身を除く): 179299372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 914791, 1829582, 3659164, 4573955, 6403537, 9147910, 12807074, 18295820, 25614148, 32017685, 64035370, 128070740]

約数ペア:

[(1, 128070740), (2, 64035370), (4, 32017685), (5, 25614148), (7, 18295820), (10, 12807074), (14, 9147910), (20, 6403537), (28, 4573955), (35, 3659164), (70, 1829582), (140, 914791)]