19495000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{557}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 52295760

約数和(自身を除く): 32800760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 557, 625, 700, 875, 1000, 1114, 1250, 1400, 1750, 2228, 2500, 2785, 3500, 3899, 4375, 4456, 5000, 5570, 7000, 7798, 8750, 11140, 13925, 15596, 17500, 19495, 22280, 27850, 31192, 35000, 38990, 55700, 69625, 77980, 97475, 111400, 139250, 155960, 194950, 278500, 348125, 389900, 487375, 557000, 696250, 779800, 974750, 1392500, 1949500, 2436875, 2785000, 3899000, 4873750, 9747500, 19495000]

約数ペア:

[(1, 19495000), (2, 9747500), (4, 4873750), (5, 3899000), (7, 2785000), (8, 2436875), (10, 1949500), (14, 1392500), (20, 974750), (25, 779800), (28, 696250), (35, 557000), (40, 487375), (50, 389900), (56, 348125), (70, 278500), (100, 194950), (125, 155960), (140, 139250), (175, 111400), (200, 97475), (250, 77980), (280, 69625), (350, 55700), (500, 38990), (557, 35000), (625, 31192), (700, 27850), (875, 22280), (1000, 19495), (1114, 17500), (1250, 15596), (1400, 13925), (1750, 11140), (2228, 8750), (2500, 7798), (2785, 7000), (3500, 5570), (3899, 5000), (4375, 4456)]