470000

素因数分解:

$2^4\times 5^4\times {\mathrm{47}}^1$

素因数の和:75

約数の個数: 50

約数和(自身を含む): 1162128

約数和(自身を除く): 692128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 47, 50, 80, 94, 100, 125, 188, 200, 235, 250, 376, 400, 470, 500, 625, 752, 940, 1000, 1175, 1250, 1880, 2000, 2350, 2500, 3760, 4700, 5000, 5875, 9400, 10000, 11750, 18800, 23500, 29375, 47000, 58750, 94000, 117500, 235000, 470000]

約数ペア:

[(1, 470000), (2, 235000), (4, 117500), (5, 94000), (8, 58750), (10, 47000), (16, 29375), (20, 23500), (25, 18800), (40, 11750), (47, 10000), (50, 9400), (80, 5875), (94, 5000), (100, 4700), (125, 3760), (188, 2500), (200, 2350), (235, 2000), (250, 1880), (376, 1250), (400, 1175), (470, 1000), (500, 940), (625, 752)]