2157181460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{15271}}^1$

素因数の和:16296

約数の個数: 48

約数和(自身を含む): 5182705920

約数和(自身を除く): 3025524460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1009, 2018, 4036, 5045, 7063, 10090, 14126, 15271, 20180, 28252, 30542, 35315, 61084, 70630, 76355, 106897, 141260, 152710, 213794, 305420, 427588, 534485, 1068970, 2137940, 15408439, 30816878, 61633756, 77042195, 107859073, 154084390, 215718146, 308168780, 431436292, 539295365, 1078590730, 2157181460]

約数ペア:

[(1, 2157181460), (2, 1078590730), (4, 539295365), (5, 431436292), (7, 308168780), (10, 215718146), (14, 154084390), (20, 107859073), (28, 77042195), (35, 61633756), (70, 30816878), (140, 15408439), (1009, 2137940), (2018, 1068970), (4036, 534485), (5045, 427588), (7063, 305420), (10090, 213794), (14126, 152710), (15271, 141260), (20180, 106897), (28252, 76355), (30542, 70630), (35315, 61084)]