171745000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{701}}^1$

素因数の和:741

約数の個数: 120

約数和(自身を含む): 468764010

約数和(自身を除く): 297019010

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 490, 500, 625, 700, 701, 875, 980, 1000, 1225, 1250, 1400, 1402, 1750, 1960, 2450, 2500, 2804, 3500, 3505, 4375, 4900, 4907, 5000, 5608, 6125, 7000, 7010, 8750, 9800, 9814, 12250, 14020, 17500, 17525, 19628, 24500, 24535, 28040, 30625, 34349, 35000, 35050, 39256, 49000, 49070, 61250, 68698, 70100, 87625, 98140, 122500, 122675, 137396, 140200, 171745, 175250, 196280, 245000, 245350, 274792, 343490, 350500, 438125, 490700, 613375, 686980, 701000, 858725, 876250, 981400, 1226750, 1373960, 1717450, 1752500, 2453500, 3066875, 3434900, 3505000, 4293625, 4907000, 6133750, 6869800, 8587250, 12267500, 17174500, 21468125, 24535000, 34349000, 42936250, 85872500, 171745000]

約数ペア:

[(1, 171745000), (2, 85872500), (4, 42936250), (5, 34349000), (7, 24535000), (8, 21468125), (10, 17174500), (14, 12267500), (20, 8587250), (25, 6869800), (28, 6133750), (35, 4907000), (40, 4293625), (49, 3505000), (50, 3434900), (56, 3066875), (70, 2453500), (98, 1752500), (100, 1717450), (125, 1373960), (140, 1226750), (175, 981400), (196, 876250), (200, 858725), (245, 701000), (250, 686980), (280, 613375), (350, 490700), (392, 438125), (490, 350500), (500, 343490), (625, 274792), (700, 245350), (701, 245000), (875, 196280), (980, 175250), (1000, 171745), (1225, 140200), (1250, 137396), (1400, 122675), (1402, 122500), (1750, 98140), (1960, 87625), (2450, 70100), (2500, 68698), (2804, 61250), (3500, 49070), (3505, 49000), (4375, 39256), (4900, 35050), (4907, 35000), (5000, 34349), (5608, 30625), (6125, 28040), (7000, 24535), (7010, 24500), (8750, 19628), (9800, 17525), (9814, 17500), (12250, 14020)]