139904450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{399727}}^1$

素因数の和:399746

約数の個数: 24

約数和(自身を含む): 297397632

約数和(自身を除く): 157493182

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 399727, 799454, 1998635, 2798089, 3997270, 5596178, 9993175, 13990445, 19986350, 27980890, 69952225, 139904450]

約数ペア:

[(1, 139904450), (2, 69952225), (5, 27980890), (7, 19986350), (10, 13990445), (14, 9993175), (25, 5596178), (35, 3997270), (50, 2798089), (70, 1998635), (175, 799454), (350, 399727)]