27859580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198997}}^1$

素因数の和:199013

約数の個数: 24

約数和(自身を含む): 66863328

約数和(自身を除く): 39003748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198997, 397994, 795988, 994985, 1392979, 1989970, 2785958, 3979940, 5571916, 6964895, 13929790, 27859580]

約数ペア:

[(1, 27859580), (2, 13929790), (4, 6964895), (5, 5571916), (7, 3979940), (10, 2785958), (14, 1989970), (20, 1392979), (28, 994985), (35, 795988), (70, 397994), (140, 198997)]