194950000

素因数分解:

$2^4\times 5^5\times 7^1\times {\mathrm{557}}^1$

素因数の和:597

約数の個数: 120

約数和(自身を含む): 540527904

約数和(自身を除く): 345577904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 557, 560, 625, 700, 875, 1000, 1114, 1250, 1400, 1750, 2000, 2228, 2500, 2785, 2800, 3125, 3500, 3899, 4375, 4456, 5000, 5570, 6250, 7000, 7798, 8750, 8912, 10000, 11140, 12500, 13925, 14000, 15596, 17500, 19495, 21875, 22280, 25000, 27850, 31192, 35000, 38990, 43750, 44560, 50000, 55700, 62384, 69625, 70000, 77980, 87500, 97475, 111400, 139250, 155960, 175000, 194950, 222800, 278500, 311920, 348125, 350000, 389900, 487375, 557000, 696250, 779800, 974750, 1114000, 1392500, 1559600, 1740625, 1949500, 2436875, 2785000, 3481250, 3899000, 4873750, 5570000, 6962500, 7798000, 9747500, 12184375, 13925000, 19495000, 24368750, 27850000, 38990000, 48737500, 97475000, 194950000]

約数ペア:

[(1, 194950000), (2, 97475000), (4, 48737500), (5, 38990000), (7, 27850000), (8, 24368750), (10, 19495000), (14, 13925000), (16, 12184375), (20, 9747500), (25, 7798000), (28, 6962500), (35, 5570000), (40, 4873750), (50, 3899000), (56, 3481250), (70, 2785000), (80, 2436875), (100, 1949500), (112, 1740625), (125, 1559600), (140, 1392500), (175, 1114000), (200, 974750), (250, 779800), (280, 696250), (350, 557000), (400, 487375), (500, 389900), (557, 350000), (560, 348125), (625, 311920), (700, 278500), (875, 222800), (1000, 194950), (1114, 175000), (1250, 155960), (1400, 139250), (1750, 111400), (2000, 97475), (2228, 87500), (2500, 77980), (2785, 70000), (2800, 69625), (3125, 62384), (3500, 55700), (3899, 50000), (4375, 44560), (4456, 43750), (5000, 38990), (5570, 35000), (6250, 31192), (7000, 27850), (7798, 25000), (8750, 22280), (8912, 21875), (10000, 19495), (11140, 17500), (12500, 15596), (13925, 14000)]