428345000

素因数分解:

$2^3\times 5^4\times {\mathrm{85669}}^1$

素因数の和:85695

約数の個数: 40

約数和(自身を含む): 1003624050

約数和(自身を除く): 575279050

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 85669, 171338, 342676, 428345, 685352, 856690, 1713380, 2141725, 3426760, 4283450, 8566900, 10708625, 17133800, 21417250, 42834500, 53543125, 85669000, 107086250, 214172500, 428345000]

約数ペア:

[(1, 428345000), (2, 214172500), (4, 107086250), (5, 85669000), (8, 53543125), (10, 42834500), (20, 21417250), (25, 17133800), (40, 10708625), (50, 8566900), (100, 4283450), (125, 3426760), (200, 2141725), (250, 1713380), (500, 856690), (625, 685352), (1000, 428345), (1250, 342676), (2500, 171338), (5000, 85669)]