139833820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{998813}}^1$

素因数の和:998829

約数の個数: 24

約数和(自身を含む): 335601504

約数和(自身を除く): 195767684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 998813, 1997626, 3995252, 4994065, 6991691, 9988130, 13983382, 19976260, 27966764, 34958455, 69916910, 139833820]

約数ペア:

[(1, 139833820), (2, 69916910), (4, 34958455), (5, 27966764), (7, 19976260), (10, 13983382), (14, 9988130), (20, 6991691), (28, 4994065), (35, 3995252), (70, 1997626), (140, 998813)]