4210500

素因数分解:

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

素因数の和:430

約数の個数: 96

約数和(自身を含む): 14047488

約数和(自身を除く): 9836988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 250, 300, 350, 375, 401, 420, 500, 525, 700, 750, 802, 875, 1050, 1203, 1500, 1604, 1750, 2005, 2100, 2406, 2625, 2807, 3500, 4010, 4812, 5250, 5614, 6015, 8020, 8421, 10025, 10500, 11228, 12030, 14035, 16842, 20050, 24060, 28070, 30075, 33684, 40100, 42105, 50125, 56140, 60150, 70175, 84210, 100250, 120300, 140350, 150375, 168420, 200500, 210525, 280700, 300750, 350875, 421050, 601500, 701750, 842100, 1052625, 1403500, 2105250, 4210500]

約数ペア:

[(1, 4210500), (2, 2105250), (3, 1403500), (4, 1052625), (5, 842100), (6, 701750), (7, 601500), (10, 421050), (12, 350875), (14, 300750), (15, 280700), (20, 210525), (21, 200500), (25, 168420), (28, 150375), (30, 140350), (35, 120300), (42, 100250), (50, 84210), (60, 70175), (70, 60150), (75, 56140), (84, 50125), (100, 42105), (105, 40100), (125, 33684), (140, 30075), (150, 28070), (175, 24060), (210, 20050), (250, 16842), (300, 14035), (350, 12030), (375, 11228), (401, 10500), (420, 10025), (500, 8421), (525, 8020), (700, 6015), (750, 5614), (802, 5250), (875, 4812), (1050, 4010), (1203, 3500), (1500, 2807), (1604, 2625), (1750, 2406), (2005, 2100)]