1998710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4079}}^1$

素因数の和:4100

約数の個数: 24

約数和(自身を含む): 4186080

約数和(自身を除く): 2187370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4079, 8158, 20395, 28553, 40790, 57106, 142765, 199871, 285530, 399742, 999355, 1998710]

約数ペア:

[(1, 1998710), (2, 999355), (5, 399742), (7, 285530), (10, 199871), (14, 142765), (35, 57106), (49, 40790), (70, 28553), (98, 20395), (245, 8158), (490, 4079)]