30745820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219613}}^1$

素因数の和:219629

約数の個数: 24

約数和(自身を含む): 73790304

約数和(自身を除く): 43044484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219613, 439226, 878452, 1098065, 1537291, 2196130, 3074582, 4392260, 6149164, 7686455, 15372910, 30745820]

約数ペア:

[(1, 30745820), (2, 15372910), (4, 7686455), (5, 6149164), (7, 4392260), (10, 3074582), (14, 2196130), (20, 1537291), (28, 1098065), (35, 878452), (70, 439226), (140, 219613)]