213060260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1521859}}^1$

素因数の和:1521875

約数の個数: 24

約数和(自身を含む): 511344960

約数和(自身を除く): 298284700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1521859, 3043718, 6087436, 7609295, 10653013, 15218590, 21306026, 30437180, 42612052, 53265065, 106530130, 213060260]

約数ペア:

[(1, 213060260), (2, 106530130), (4, 53265065), (5, 42612052), (7, 30437180), (10, 21306026), (14, 15218590), (20, 10653013), (28, 7609295), (35, 6087436), (70, 3043718), (140, 1521859)]