16450000

素因数分解:

$2^4\times 5^5\times 7^1\times {\mathrm{47}}^1$

素因数の和:87

約数の個数: 120

約数和(自身を含む): 46497024

約数和(自身を除く): 30047024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 47, 50, 56, 70, 80, 94, 100, 112, 125, 140, 175, 188, 200, 235, 250, 280, 329, 350, 376, 400, 470, 500, 560, 625, 658, 700, 752, 875, 940, 1000, 1175, 1250, 1316, 1400, 1645, 1750, 1880, 2000, 2350, 2500, 2632, 2800, 3125, 3290, 3500, 3760, 4375, 4700, 5000, 5264, 5875, 6250, 6580, 7000, 8225, 8750, 9400, 10000, 11750, 12500, 13160, 14000, 16450, 17500, 18800, 21875, 23500, 25000, 26320, 29375, 32900, 35000, 41125, 43750, 47000, 50000, 58750, 65800, 70000, 82250, 87500, 94000, 117500, 131600, 146875, 164500, 175000, 205625, 235000, 293750, 329000, 350000, 411250, 470000, 587500, 658000, 822500, 1028125, 1175000, 1645000, 2056250, 2350000, 3290000, 4112500, 8225000, 16450000]

約数ペア:

[(1, 16450000), (2, 8225000), (4, 4112500), (5, 3290000), (7, 2350000), (8, 2056250), (10, 1645000), (14, 1175000), (16, 1028125), (20, 822500), (25, 658000), (28, 587500), (35, 470000), (40, 411250), (47, 350000), (50, 329000), (56, 293750), (70, 235000), (80, 205625), (94, 175000), (100, 164500), (112, 146875), (125, 131600), (140, 117500), (175, 94000), (188, 87500), (200, 82250), (235, 70000), (250, 65800), (280, 58750), (329, 50000), (350, 47000), (376, 43750), (400, 41125), (470, 35000), (500, 32900), (560, 29375), (625, 26320), (658, 25000), (700, 23500), (752, 21875), (875, 18800), (940, 17500), (1000, 16450), (1175, 14000), (1250, 13160), (1316, 12500), (1400, 11750), (1645, 10000), (1750, 9400), (1880, 8750), (2000, 8225), (2350, 7000), (2500, 6580), (2632, 6250), (2800, 5875), (3125, 5264), (3290, 5000), (3500, 4700), (3760, 4375)]