86745820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{619613}}^1$

素因数の和:619629

約数の個数: 24

約数和(自身を含む): 208190304

約数和(自身を除く): 121444484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 619613, 1239226, 2478452, 3098065, 4337291, 6196130, 8674582, 12392260, 17349164, 21686455, 43372910, 86745820]

約数ペア:

[(1, 86745820), (2, 43372910), (4, 21686455), (5, 17349164), (7, 12392260), (10, 8674582), (14, 6196130), (20, 4337291), (28, 3098065), (35, 2478452), (70, 1239226), (140, 619613)]