256420500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{24421}}^1$

素因数の和:24450

約数の個数: 96

約数和(自身を含む): 853402368

約数和(自身を除く): 596981868

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, 420, 500, 525, 700, 750, 875, 1050, 1500, 1750, 2100, 2625, 3500, 5250, 10500, 24421, 48842, 73263, 97684, 122105, 146526, 170947, 244210, 293052, 341894, 366315, 488420, 512841, 610525, 683788, 732630, 854735, 1025682, 1221050, 1465260, 1709470, 1831575, 2051364, 2442100, 2564205, 3052625, 3418940, 3663150, 4273675, 5128410, 6105250, 7326300, 8547350, 9157875, 10256820, 12210500, 12821025, 17094700, 18315750, 21368375, 25642050, 36631500, 42736750, 51284100, 64105125, 85473500, 128210250, 256420500]

約数ペア:

[(1, 256420500), (2, 128210250), (3, 85473500), (4, 64105125), (5, 51284100), (6, 42736750), (7, 36631500), (10, 25642050), (12, 21368375), (14, 18315750), (15, 17094700), (20, 12821025), (21, 12210500), (25, 10256820), (28, 9157875), (30, 8547350), (35, 7326300), (42, 6105250), (50, 5128410), (60, 4273675), (70, 3663150), (75, 3418940), (84, 3052625), (100, 2564205), (105, 2442100), (125, 2051364), (140, 1831575), (150, 1709470), (175, 1465260), (210, 1221050), (250, 1025682), (300, 854735), (350, 732630), (375, 683788), (420, 610525), (500, 512841), (525, 488420), (700, 366315), (750, 341894), (875, 293052), (1050, 244210), (1500, 170947), (1750, 146526), (2100, 122105), (2625, 97684), (3500, 73263), (5250, 48842), (10500, 24421)]