623140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4451}}^1$

素因数の和:4467

約数の個数: 24

約数和(自身を含む): 1495872

約数和(自身を除く): 872732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4451, 8902, 17804, 22255, 31157, 44510, 62314, 89020, 124628, 155785, 311570, 623140]

約数ペア:

[(1, 623140), (2, 311570), (4, 155785), (5, 124628), (7, 89020), (10, 62314), (14, 44510), (20, 31157), (28, 22255), (35, 17804), (70, 8902), (140, 4451)]