261630320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{467197}}^1$

素因数の和:467217

約数の個数: 40

約数和(自身を含む): 695190624

約数和(自身を除く): 433560304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 467197, 934394, 1868788, 2335985, 3270379, 3737576, 4671970, 6540758, 7475152, 9343940, 13081516, 16351895, 18687880, 26163032, 32703790, 37375760, 52326064, 65407580, 130815160, 261630320]

約数ペア:

[(1, 261630320), (2, 130815160), (4, 65407580), (5, 52326064), (7, 37375760), (8, 32703790), (10, 26163032), (14, 18687880), (16, 16351895), (20, 13081516), (28, 9343940), (35, 7475152), (40, 6540758), (56, 4671970), (70, 3737576), (80, 3270379), (112, 2335985), (140, 1868788), (280, 934394), (560, 467197)]