9481000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 23400000

約数和(自身を除く): 13919000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 499, 500, 760, 950, 998, 1000, 1900, 1996, 2375, 2495, 3800, 3992, 4750, 4990, 9481, 9500, 9980, 12475, 18962, 19000, 19960, 24950, 37924, 47405, 49900, 62375, 75848, 94810, 99800, 124750, 189620, 237025, 249500, 379240, 474050, 499000, 948100, 1185125, 1896200, 2370250, 4740500, 9481000]

約数ペア:

[(1, 9481000), (2, 4740500), (4, 2370250), (5, 1896200), (8, 1185125), (10, 948100), (19, 499000), (20, 474050), (25, 379240), (38, 249500), (40, 237025), (50, 189620), (76, 124750), (95, 99800), (100, 94810), (125, 75848), (152, 62375), (190, 49900), (200, 47405), (250, 37924), (380, 24950), (475, 19960), (499, 19000), (500, 18962), (760, 12475), (950, 9980), (998, 9500), (1000, 9481), (1900, 4990), (1996, 4750), (2375, 3992), (2495, 3800)]