210000

素因数分解:

$2^4\times 3^1\times 5^4\times 7^1$

素因数の和:38

約数の個数: 100

約数和(自身を含む): 774752

約数和(自身を除く): 564752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 125, 140, 150, 168, 175, 200, 210, 240, 250, 280, 300, 336, 350, 375, 400, 420, 500, 525, 560, 600, 625, 700, 750, 840, 875, 1000, 1050, 1200, 1250, 1400, 1500, 1680, 1750, 1875, 2000, 2100, 2500, 2625, 2800, 3000, 3500, 3750, 4200, 4375, 5000, 5250, 6000, 7000, 7500, 8400, 8750, 10000, 10500, 13125, 14000, 15000, 17500, 21000, 26250, 30000, 35000, 42000, 52500, 70000, 105000, 210000]

約数ペア:

[(1, 210000), (2, 105000), (3, 70000), (4, 52500), (5, 42000), (6, 35000), (7, 30000), (8, 26250), (10, 21000), (12, 17500), (14, 15000), (15, 14000), (16, 13125), (20, 10500), (21, 10000), (24, 8750), (25, 8400), (28, 7500), (30, 7000), (35, 6000), (40, 5250), (42, 5000), (48, 4375), (50, 4200), (56, 3750), (60, 3500), (70, 3000), (75, 2800), (80, 2625), (84, 2500), (100, 2100), (105, 2000), (112, 1875), (120, 1750), (125, 1680), (140, 1500), (150, 1400), (168, 1250), (175, 1200), (200, 1050), (210, 1000), (240, 875), (250, 840), (280, 750), (300, 700), (336, 625), (350, 600), (375, 560), (400, 525), (420, 500)]