8440460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{60289}}^1$

素因数の和:60305

約数の個数: 24

約数和(自身を含む): 20257440

約数和(自身を除く): 11816980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 60289, 120578, 241156, 301445, 422023, 602890, 844046, 1205780, 1688092, 2110115, 4220230, 8440460]

約数ペア:

[(1, 8440460), (2, 4220230), (4, 2110115), (5, 1688092), (7, 1205780), (10, 844046), (14, 602890), (20, 422023), (28, 301445), (35, 241156), (70, 120578), (140, 60289)]