279384920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{148609}}^1$

素因数の和:148667

約数の個数: 32

約数和(自身を含む): 641995200

約数和(自身を除く): 362610280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 148609, 297218, 594436, 743045, 1188872, 1486090, 2972180, 5944360, 6984623, 13969246, 27938492, 34923115, 55876984, 69846230, 139692460, 279384920]

約数ペア:

[(1, 279384920), (2, 139692460), (4, 69846230), (5, 55876984), (8, 34923115), (10, 27938492), (20, 13969246), (40, 6984623), (47, 5944360), (94, 2972180), (188, 1486090), (235, 1188872), (376, 743045), (470, 594436), (940, 297218), (1880, 148609)]