7127540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1039}}^1$

素因数の和:1069

約数の個数: 48

約数和(自身を含む): 17472000

約数和(自身を除く): 10344460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1039, 1372, 1715, 2078, 3430, 4156, 5195, 6860, 7273, 10390, 14546, 20780, 29092, 36365, 50911, 72730, 101822, 145460, 203644, 254555, 356377, 509110, 712754, 1018220, 1425508, 1781885, 3563770, 7127540]

約数ペア:

[(1, 7127540), (2, 3563770), (4, 1781885), (5, 1425508), (7, 1018220), (10, 712754), (14, 509110), (20, 356377), (28, 254555), (35, 203644), (49, 145460), (70, 101822), (98, 72730), (140, 50911), (196, 36365), (245, 29092), (343, 20780), (490, 14546), (686, 10390), (980, 7273), (1039, 6860), (1372, 5195), (1715, 4156), (2078, 3430)]