278026000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{2837}}^1$

素因数の和:2874

約数の個数: 120

約数和(自身を含む): 782300376

約数和(自身を除く): 504274376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 875, 980, 1000, 1225, 1400, 1750, 1960, 2000, 2450, 2800, 2837, 3500, 3920, 4900, 5674, 6125, 7000, 9800, 11348, 12250, 14000, 14185, 19600, 19859, 22696, 24500, 28370, 39718, 45392, 49000, 56740, 70925, 79436, 98000, 99295, 113480, 139013, 141850, 158872, 198590, 226960, 278026, 283700, 317744, 354625, 397180, 496475, 556052, 567400, 695065, 709250, 794360, 992950, 1112104, 1134800, 1390130, 1418500, 1588720, 1985900, 2224208, 2482375, 2780260, 2837000, 3475325, 3971800, 4964750, 5560520, 5674000, 6950650, 7943600, 9929500, 11121040, 13901300, 17376625, 19859000, 27802600, 34753250, 39718000, 55605200, 69506500, 139013000, 278026000]

約数ペア:

[(1, 278026000), (2, 139013000), (4, 69506500), (5, 55605200), (7, 39718000), (8, 34753250), (10, 27802600), (14, 19859000), (16, 17376625), (20, 13901300), (25, 11121040), (28, 9929500), (35, 7943600), (40, 6950650), (49, 5674000), (50, 5560520), (56, 4964750), (70, 3971800), (80, 3475325), (98, 2837000), (100, 2780260), (112, 2482375), (125, 2224208), (140, 1985900), (175, 1588720), (196, 1418500), (200, 1390130), (245, 1134800), (250, 1112104), (280, 992950), (350, 794360), (392, 709250), (400, 695065), (490, 567400), (500, 556052), (560, 496475), (700, 397180), (784, 354625), (875, 317744), (980, 283700), (1000, 278026), (1225, 226960), (1400, 198590), (1750, 158872), (1960, 141850), (2000, 139013), (2450, 113480), (2800, 99295), (2837, 98000), (3500, 79436), (3920, 70925), (4900, 56740), (5674, 49000), (6125, 45392), (7000, 39718), (9800, 28370), (11348, 24500), (12250, 22696), (14000, 19859), (14185, 19600)]