690829400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{80329}}^1$

素因数の和:80388

約数の個数: 48

約数和(自身を含む): 1643551800

約数和(自身を除く): 952722400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 80329, 160658, 321316, 401645, 642632, 803290, 1606580, 2008225, 3213160, 3454147, 4016450, 6908294, 8032900, 13816588, 16065800, 17270735, 27633176, 34541470, 69082940, 86353675, 138165880, 172707350, 345414700, 690829400]

約数ペア:

[(1, 690829400), (2, 345414700), (4, 172707350), (5, 138165880), (8, 86353675), (10, 69082940), (20, 34541470), (25, 27633176), (40, 17270735), (43, 16065800), (50, 13816588), (86, 8032900), (100, 6908294), (172, 4016450), (200, 3454147), (215, 3213160), (344, 2008225), (430, 1606580), (860, 803290), (1075, 642632), (1720, 401645), (2150, 321316), (4300, 160658), (8600, 80329)]