987000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{47}}^1$

素因数の和:78

約数の個数: 128

約数和(自身を含む): 3594240

約数和(自身を除く): 2607240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 47, 50, 56, 60, 70, 75, 84, 94, 100, 105, 120, 125, 140, 141, 150, 168, 175, 188, 200, 210, 235, 250, 280, 282, 300, 329, 350, 375, 376, 420, 470, 500, 525, 564, 600, 658, 700, 705, 750, 840, 875, 940, 987, 1000, 1050, 1128, 1175, 1316, 1400, 1410, 1500, 1645, 1750, 1880, 1974, 2100, 2350, 2625, 2632, 2820, 3000, 3290, 3500, 3525, 3948, 4200, 4700, 4935, 5250, 5640, 5875, 6580, 7000, 7050, 7896, 8225, 9400, 9870, 10500, 11750, 13160, 14100, 16450, 17625, 19740, 21000, 23500, 24675, 28200, 32900, 35250, 39480, 41125, 47000, 49350, 65800, 70500, 82250, 98700, 123375, 141000, 164500, 197400, 246750, 329000, 493500, 987000]

約数ペア:

[(1, 987000), (2, 493500), (3, 329000), (4, 246750), (5, 197400), (6, 164500), (7, 141000), (8, 123375), (10, 98700), (12, 82250), (14, 70500), (15, 65800), (20, 49350), (21, 47000), (24, 41125), (25, 39480), (28, 35250), (30, 32900), (35, 28200), (40, 24675), (42, 23500), (47, 21000), (50, 19740), (56, 17625), (60, 16450), (70, 14100), (75, 13160), (84, 11750), (94, 10500), (100, 9870), (105, 9400), (120, 8225), (125, 7896), (140, 7050), (141, 7000), (150, 6580), (168, 5875), (175, 5640), (188, 5250), (200, 4935), (210, 4700), (235, 4200), (250, 3948), (280, 3525), (282, 3500), (300, 3290), (329, 3000), (350, 2820), (375, 2632), (376, 2625), (420, 2350), (470, 2100), (500, 1974), (525, 1880), (564, 1750), (600, 1645), (658, 1500), (700, 1410), (705, 1400), (750, 1316), (840, 1175), (875, 1128), (940, 1050), (987, 1000)]