30885820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{220613}}^1$

素因数の和:220629

約数の個数: 24

約数和(自身を含む): 74126304

約数和(自身を除く): 43240484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 220613, 441226, 882452, 1103065, 1544291, 2206130, 3088582, 4412260, 6177164, 7721455, 15442910, 30885820]

約数ペア:

[(1, 30885820), (2, 15442910), (4, 7721455), (5, 6177164), (7, 4412260), (10, 3088582), (14, 2206130), (20, 1544291), (28, 1103065), (35, 882452), (70, 441226), (140, 220613)]