8421000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{401}}^1$

素因数の和:432

約数の個数: 128

約数和(自身を含む): 30101760

約数和(自身を除く): 21680760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 401, 420, 500, 525, 600, 700, 750, 802, 840, 875, 1000, 1050, 1203, 1400, 1500, 1604, 1750, 2005, 2100, 2406, 2625, 2807, 3000, 3208, 3500, 4010, 4200, 4812, 5250, 5614, 6015, 7000, 8020, 8421, 9624, 10025, 10500, 11228, 12030, 14035, 16040, 16842, 20050, 21000, 22456, 24060, 28070, 30075, 33684, 40100, 42105, 48120, 50125, 56140, 60150, 67368, 70175, 80200, 84210, 100250, 112280, 120300, 140350, 150375, 168420, 200500, 210525, 240600, 280700, 300750, 336840, 350875, 401000, 421050, 561400, 601500, 701750, 842100, 1052625, 1203000, 1403500, 1684200, 2105250, 2807000, 4210500, 8421000]

約数ペア:

[(1, 8421000), (2, 4210500), (3, 2807000), (4, 2105250), (5, 1684200), (6, 1403500), (7, 1203000), (8, 1052625), (10, 842100), (12, 701750), (14, 601500), (15, 561400), (20, 421050), (21, 401000), (24, 350875), (25, 336840), (28, 300750), (30, 280700), (35, 240600), (40, 210525), (42, 200500), (50, 168420), (56, 150375), (60, 140350), (70, 120300), (75, 112280), (84, 100250), (100, 84210), (105, 80200), (120, 70175), (125, 67368), (140, 60150), (150, 56140), (168, 50125), (175, 48120), (200, 42105), (210, 40100), (250, 33684), (280, 30075), (300, 28070), (350, 24060), (375, 22456), (401, 21000), (420, 20050), (500, 16842), (525, 16040), (600, 14035), (700, 12030), (750, 11228), (802, 10500), (840, 10025), (875, 9624), (1000, 8421), (1050, 8020), (1203, 7000), (1400, 6015), (1500, 5614), (1604, 5250), (1750, 4812), (2005, 4200), (2100, 4010), (2406, 3500), (2625, 3208), (2807, 3000)]