201396400

素因数分解:

$2^4\times 5^2\times {\mathrm{499}}^1\times {\mathrm{1009}}^1$

素因数の和:1526

約数の個数: 60

約数和(自身を含む): 485305000

約数和(自身を除く): 283908600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 499, 998, 1009, 1996, 2018, 2495, 3992, 4036, 4990, 5045, 7984, 8072, 9980, 10090, 12475, 16144, 19960, 20180, 24950, 25225, 39920, 40360, 49900, 50450, 80720, 99800, 100900, 199600, 201800, 403600, 503491, 1006982, 2013964, 2517455, 4027928, 5034910, 8055856, 10069820, 12587275, 20139640, 25174550, 40279280, 50349100, 100698200, 201396400]

約数ペア:

[(1, 201396400), (2, 100698200), (4, 50349100), (5, 40279280), (8, 25174550), (10, 20139640), (16, 12587275), (20, 10069820), (25, 8055856), (40, 5034910), (50, 4027928), (80, 2517455), (100, 2013964), (200, 1006982), (400, 503491), (499, 403600), (998, 201800), (1009, 199600), (1996, 100900), (2018, 99800), (2495, 80720), (3992, 50450), (4036, 49900), (4990, 40360), (5045, 39920), (7984, 25225), (8072, 24950), (9980, 20180), (10090, 19960), (12475, 16144)]