749000

素因数分解:

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

素因数の和:135

約数の個数: 64

約数和(自身を含む): 2021760

約数和(自身を除く): 1272760

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, 700, 749, 856, 875, 1000, 1070, 1400, 1498, 1750, 2140, 2675, 2996, 3500, 3745, 4280, 5350, 5992, 7000, 7490, 10700, 13375, 14980, 18725, 21400, 26750, 29960, 37450, 53500, 74900, 93625, 107000, 149800, 187250, 374500, 749000]

約数ペア:

[(1, 749000), (2, 374500), (4, 187250), (5, 149800), (7, 107000), (8, 93625), (10, 74900), (14, 53500), (20, 37450), (25, 29960), (28, 26750), (35, 21400), (40, 18725), (50, 14980), (56, 13375), (70, 10700), (100, 7490), (107, 7000), (125, 5992), (140, 5350), (175, 4280), (200, 3745), (214, 3500), (250, 2996), (280, 2675), (350, 2140), (428, 1750), (500, 1498), (535, 1400), (700, 1070), (749, 1000), (856, 875)]