139387220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{995623}}^1$

素因数の和:995639

約数の個数: 24

約数和(自身を含む): 334529664

約数和(自身を除く): 195142444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 995623, 1991246, 3982492, 4978115, 6969361, 9956230, 13938722, 19912460, 27877444, 34846805, 69693610, 139387220]

約数ペア:

[(1, 139387220), (2, 69693610), (4, 34846805), (5, 27877444), (7, 19912460), (10, 13938722), (14, 9956230), (20, 6969361), (28, 4978115), (35, 3982492), (70, 1991246), (140, 995623)]