1405460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10039}}^1$

素因数の和:10055

約数の個数: 24

約数和(自身を含む): 3373440

約数和(自身を除く): 1967980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10039, 20078, 40156, 50195, 70273, 100390, 140546, 200780, 281092, 351365, 702730, 1405460]

約数ペア:

[(1, 1405460), (2, 702730), (4, 351365), (5, 281092), (7, 200780), (10, 140546), (14, 100390), (20, 70273), (28, 50195), (35, 40156), (70, 20078), (140, 10039)]