9990260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71359}}^1$

素因数の和:71375

約数の個数: 24

約数和(自身を含む): 23976960

約数和(自身を除く): 13986700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 71359, 142718, 285436, 356795, 499513, 713590, 999026, 1427180, 1998052, 2497565, 4995130, 9990260]

約数ペア:

[(1, 9990260), (2, 4995130), (4, 2497565), (5, 1998052), (7, 1427180), (10, 999026), (14, 713590), (20, 499513), (28, 356795), (35, 285436), (70, 142718), (140, 71359)]