71348620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509633}}^1$

素因数の和:509649

約数の個数: 24

約数和(自身を含む): 171237024

約数和(自身を除く): 99888404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509633, 1019266, 2038532, 2548165, 3567431, 5096330, 7134862, 10192660, 14269724, 17837155, 35674310, 71348620]

約数ペア:

[(1, 71348620), (2, 35674310), (4, 17837155), (5, 14269724), (7, 10192660), (10, 7134862), (14, 5096330), (20, 3567431), (28, 2548165), (35, 2038532), (70, 1019266), (140, 509633)]