4740500

素因数分解:

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

素因数の和:537

約数の個数: 48

約数和(自身を含む): 10920000

約数和(自身を除く): 6179500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 499, 500, 950, 998, 1900, 1996, 2375, 2495, 4750, 4990, 9481, 9500, 9980, 12475, 18962, 24950, 37924, 47405, 49900, 62375, 94810, 124750, 189620, 237025, 249500, 474050, 948100, 1185125, 2370250, 4740500]

約数ペア:

[(1, 4740500), (2, 2370250), (4, 1185125), (5, 948100), (10, 474050), (19, 249500), (20, 237025), (25, 189620), (38, 124750), (50, 94810), (76, 62375), (95, 49900), (100, 47405), (125, 37924), (190, 24950), (250, 18962), (380, 12475), (475, 9980), (499, 9500), (500, 9481), (950, 4990), (998, 4750), (1900, 2495), (1996, 2375)]