2257500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^1\times {\mathrm{43}}^1$

素因数の和:77

約数の個数: 120

約数和(自身を含む): 7697536

約数和(自身を除く): 5440036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 43, 50, 60, 70, 75, 84, 86, 100, 105, 125, 129, 140, 150, 172, 175, 210, 215, 250, 258, 300, 301, 350, 375, 420, 430, 500, 516, 525, 602, 625, 645, 700, 750, 860, 875, 903, 1050, 1075, 1204, 1250, 1290, 1500, 1505, 1750, 1806, 1875, 2100, 2150, 2500, 2580, 2625, 3010, 3225, 3500, 3612, 3750, 4300, 4375, 4515, 5250, 5375, 6020, 6450, 7500, 7525, 8750, 9030, 10500, 10750, 12900, 13125, 15050, 16125, 17500, 18060, 21500, 22575, 26250, 26875, 30100, 32250, 37625, 45150, 52500, 53750, 64500, 75250, 80625, 90300, 107500, 112875, 150500, 161250, 188125, 225750, 322500, 376250, 451500, 564375, 752500, 1128750, 2257500]

約数ペア:

[(1, 2257500), (2, 1128750), (3, 752500), (4, 564375), (5, 451500), (6, 376250), (7, 322500), (10, 225750), (12, 188125), (14, 161250), (15, 150500), (20, 112875), (21, 107500), (25, 90300), (28, 80625), (30, 75250), (35, 64500), (42, 53750), (43, 52500), (50, 45150), (60, 37625), (70, 32250), (75, 30100), (84, 26875), (86, 26250), (100, 22575), (105, 21500), (125, 18060), (129, 17500), (140, 16125), (150, 15050), (172, 13125), (175, 12900), (210, 10750), (215, 10500), (250, 9030), (258, 8750), (300, 7525), (301, 7500), (350, 6450), (375, 6020), (420, 5375), (430, 5250), (500, 4515), (516, 4375), (525, 4300), (602, 3750), (625, 3612), (645, 3500), (700, 3225), (750, 3010), (860, 2625), (875, 2580), (903, 2500), (1050, 2150), (1075, 2100), (1204, 1875), (1250, 1806), (1290, 1750), (1500, 1505)]