18725000

素因数分解:

$2^3\times 5^5\times 7^1\times {\mathrm{107}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 50621760

約数和(自身を除く): 31896760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 107, 125, 140, 175, 200, 214, 250, 280, 350, 428, 500, 535, 625, 700, 749, 856, 875, 1000, 1070, 1250, 1400, 1498, 1750, 2140, 2500, 2675, 2996, 3125, 3500, 3745, 4280, 4375, 5000, 5350, 5992, 6250, 7000, 7490, 8750, 10700, 12500, 13375, 14980, 17500, 18725, 21400, 21875, 25000, 26750, 29960, 35000, 37450, 43750, 53500, 66875, 74900, 87500, 93625, 107000, 133750, 149800, 175000, 187250, 267500, 334375, 374500, 468125, 535000, 668750, 749000, 936250, 1337500, 1872500, 2340625, 2675000, 3745000, 4681250, 9362500, 18725000]

約数ペア:

[(1, 18725000), (2, 9362500), (4, 4681250), (5, 3745000), (7, 2675000), (8, 2340625), (10, 1872500), (14, 1337500), (20, 936250), (25, 749000), (28, 668750), (35, 535000), (40, 468125), (50, 374500), (56, 334375), (70, 267500), (100, 187250), (107, 175000), (125, 149800), (140, 133750), (175, 107000), (200, 93625), (214, 87500), (250, 74900), (280, 66875), (350, 53500), (428, 43750), (500, 37450), (535, 35000), (625, 29960), (700, 26750), (749, 25000), (856, 21875), (875, 21400), (1000, 18725), (1070, 17500), (1250, 14980), (1400, 13375), (1498, 12500), (1750, 10700), (2140, 8750), (2500, 7490), (2675, 7000), (2996, 6250), (3125, 5992), (3500, 5350), (3745, 5000), (4280, 4375)]