221396000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{7907}}^1$

素因数の和:7939

約数の個数: 96

約数和(自身を含む): 621758592

約数和(自身を除く): 400362592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 500, 560, 700, 800, 875, 1000, 1120, 1400, 1750, 2000, 2800, 3500, 4000, 5600, 7000, 7907, 14000, 15814, 28000, 31628, 39535, 55349, 63256, 79070, 110698, 126512, 158140, 197675, 221396, 253024, 276745, 316280, 395350, 442792, 553490, 632560, 790700, 885584, 988375, 1106980, 1265120, 1383725, 1581400, 1771168, 1976750, 2213960, 2767450, 3162800, 3953500, 4427920, 5534900, 6325600, 6918625, 7907000, 8855840, 11069800, 13837250, 15814000, 22139600, 27674500, 31628000, 44279200, 55349000, 110698000, 221396000]

約数ペア:

[(1, 221396000), (2, 110698000), (4, 55349000), (5, 44279200), (7, 31628000), (8, 27674500), (10, 22139600), (14, 15814000), (16, 13837250), (20, 11069800), (25, 8855840), (28, 7907000), (32, 6918625), (35, 6325600), (40, 5534900), (50, 4427920), (56, 3953500), (70, 3162800), (80, 2767450), (100, 2213960), (112, 1976750), (125, 1771168), (140, 1581400), (160, 1383725), (175, 1265120), (200, 1106980), (224, 988375), (250, 885584), (280, 790700), (350, 632560), (400, 553490), (500, 442792), (560, 395350), (700, 316280), (800, 276745), (875, 253024), (1000, 221396), (1120, 197675), (1400, 158140), (1750, 126512), (2000, 110698), (2800, 79070), (3500, 63256), (4000, 55349), (5600, 39535), (7000, 31628), (7907, 28000), (14000, 15814)]