3997420

素因数分解:

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

素因数の和:4102

約数の個数: 36

約数和(自身を含む): 9767520

約数和(自身を除く): 5770100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4079, 8158, 16316, 20395, 28553, 40790, 57106, 81580, 114212, 142765, 199871, 285530, 399742, 571060, 799484, 999355, 1998710, 3997420]

約数ペア:

[(1, 3997420), (2, 1998710), (4, 999355), (5, 799484), (7, 571060), (10, 399742), (14, 285530), (20, 199871), (28, 142765), (35, 114212), (49, 81580), (70, 57106), (98, 40790), (140, 28553), (196, 20395), (245, 16316), (490, 8158), (980, 4079)]