9042740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{64591}}^1$

素因数の和:64607

約数の個数: 24

約数和(自身を含む): 21702912

約数和(自身を除く): 12660172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 64591, 129182, 258364, 322955, 452137, 645910, 904274, 1291820, 1808548, 2260685, 4521370, 9042740]

約数ペア:

[(1, 9042740), (2, 4521370), (4, 2260685), (5, 1808548), (7, 1291820), (10, 904274), (14, 645910), (20, 452137), (28, 322955), (35, 258364), (70, 129182), (140, 64591)]