6431000

素因数分解:

$2^3\times 5^3\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 15444000

約数和(自身を除く): 9013000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 109, 118, 125, 200, 218, 236, 250, 295, 436, 472, 500, 545, 590, 872, 1000, 1090, 1180, 1475, 2180, 2360, 2725, 2950, 4360, 5450, 5900, 6431, 7375, 10900, 11800, 12862, 13625, 14750, 21800, 25724, 27250, 29500, 32155, 51448, 54500, 59000, 64310, 109000, 128620, 160775, 257240, 321550, 643100, 803875, 1286200, 1607750, 3215500, 6431000]

約数ペア:

[(1, 6431000), (2, 3215500), (4, 1607750), (5, 1286200), (8, 803875), (10, 643100), (20, 321550), (25, 257240), (40, 160775), (50, 128620), (59, 109000), (100, 64310), (109, 59000), (118, 54500), (125, 51448), (200, 32155), (218, 29500), (236, 27250), (250, 25724), (295, 21800), (436, 14750), (472, 13625), (500, 12862), (545, 11800), (590, 10900), (872, 7375), (1000, 6431), (1090, 5900), (1180, 5450), (1475, 4360), (2180, 2950), (2360, 2725)]