8713740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20747}}^1$

素因数の和:20766

約数の個数: 48

約数和(自身を含む): 27885312

約数和(自身を除く): 19171572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20747, 41494, 62241, 82988, 103735, 124482, 145229, 207470, 248964, 290458, 311205, 414940, 435687, 580916, 622410, 726145, 871374, 1244820, 1452290, 1742748, 2178435, 2904580, 4356870, 8713740]

約数ペア:

[(1, 8713740), (2, 4356870), (3, 2904580), (4, 2178435), (5, 1742748), (6, 1452290), (7, 1244820), (10, 871374), (12, 726145), (14, 622410), (15, 580916), (20, 435687), (21, 414940), (28, 311205), (30, 290458), (35, 248964), (42, 207470), (60, 145229), (70, 124482), (84, 103735), (105, 82988), (140, 62241), (210, 41494), (420, 20747)]