27982220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199873}}^1$

素因数の和:199889

約数の個数: 24

約数和(自身を含む): 67157664

約数和(自身を除く): 39175444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199873, 399746, 799492, 999365, 1399111, 1998730, 2798222, 3997460, 5596444, 6995555, 13991110, 27982220]

約数ペア:

[(1, 27982220), (2, 13991110), (4, 6995555), (5, 5596444), (7, 3997460), (10, 2798222), (14, 1998730), (20, 1399111), (28, 999365), (35, 799492), (70, 399746), (140, 199873)]