209524140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{166289}}^1$

素因数の和:166311

約数の個数: 72

約数和(自身を含む): 726354720

約数和(自身を除く): 516830580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 166289, 332578, 498867, 665156, 831445, 997734, 1164023, 1496601, 1662890, 1995468, 2328046, 2494335, 2993202, 3325780, 3492069, 4656092, 4988670, 5820115, 5986404, 6984138, 7483005, 9977340, 10476207, 11640230, 13968276, 14966010, 17460345, 20952414, 23280460, 29932020, 34920690, 41904828, 52381035, 69841380, 104762070, 209524140]

約数ペア:

[(1, 209524140), (2, 104762070), (3, 69841380), (4, 52381035), (5, 41904828), (6, 34920690), (7, 29932020), (9, 23280460), (10, 20952414), (12, 17460345), (14, 14966010), (15, 13968276), (18, 11640230), (20, 10476207), (21, 9977340), (28, 7483005), (30, 6984138), (35, 5986404), (36, 5820115), (42, 4988670), (45, 4656092), (60, 3492069), (63, 3325780), (70, 2993202), (84, 2494335), (90, 2328046), (105, 1995468), (126, 1662890), (140, 1496601), (180, 1164023), (210, 997734), (252, 831445), (315, 665156), (420, 498867), (630, 332578), (1260, 166289)]