3906140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{27901}}^1$

素因数の和:27917

約数の個数: 24

約数和(自身を含む): 9375072

約数和(自身を除く): 5468932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 27901, 55802, 111604, 139505, 195307, 279010, 390614, 558020, 781228, 976535, 1953070, 3906140]

約数ペア:

[(1, 3906140), (2, 1953070), (4, 976535), (5, 781228), (7, 558020), (10, 390614), (14, 279010), (20, 195307), (28, 139505), (35, 111604), (70, 55802), (140, 27901)]