6439000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 15500160

約数和(自身を除く): 9061160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 137, 188, 200, 235, 250, 274, 376, 470, 500, 548, 685, 940, 1000, 1096, 1175, 1370, 1880, 2350, 2740, 3425, 4700, 5480, 5875, 6439, 6850, 9400, 11750, 12878, 13700, 17125, 23500, 25756, 27400, 32195, 34250, 47000, 51512, 64390, 68500, 128780, 137000, 160975, 257560, 321950, 643900, 804875, 1287800, 1609750, 3219500, 6439000]

約数ペア:

[(1, 6439000), (2, 3219500), (4, 1609750), (5, 1287800), (8, 804875), (10, 643900), (20, 321950), (25, 257560), (40, 160975), (47, 137000), (50, 128780), (94, 68500), (100, 64390), (125, 51512), (137, 47000), (188, 34250), (200, 32195), (235, 27400), (250, 25756), (274, 23500), (376, 17125), (470, 13700), (500, 12878), (548, 11750), (685, 9400), (940, 6850), (1000, 6439), (1096, 5875), (1175, 5480), (1370, 4700), (1880, 3425), (2350, 2740)]