38391220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{274223}}^1$

素因数の和:274239

約数の個数: 24

約数和(自身を含む): 92139264

約数和(自身を除く): 53748044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 274223, 548446, 1096892, 1371115, 1919561, 2742230, 3839122, 5484460, 7678244, 9597805, 19195610, 38391220]

約数ペア:

[(1, 38391220), (2, 19195610), (4, 9597805), (5, 7678244), (7, 5484460), (10, 3839122), (14, 2742230), (20, 1919561), (28, 1371115), (35, 1096892), (70, 548446), (140, 274223)]