68950000

素因数分解:

$2^4\times 5^5\times 7^1\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 120

約数和(自身を含む): 191800224

約数和(自身を除く): 122850224

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, 197, 200, 250, 280, 350, 394, 400, 500, 560, 625, 700, 788, 875, 985, 1000, 1250, 1379, 1400, 1576, 1750, 1970, 2000, 2500, 2758, 2800, 3125, 3152, 3500, 3940, 4375, 4925, 5000, 5516, 6250, 6895, 7000, 7880, 8750, 9850, 10000, 11032, 12500, 13790, 14000, 15760, 17500, 19700, 21875, 22064, 24625, 25000, 27580, 34475, 35000, 39400, 43750, 49250, 50000, 55160, 68950, 70000, 78800, 87500, 98500, 110320, 123125, 137900, 172375, 175000, 197000, 246250, 275800, 344750, 350000, 394000, 492500, 551600, 615625, 689500, 861875, 985000, 1231250, 1379000, 1723750, 1970000, 2462500, 2758000, 3447500, 4309375, 4925000, 6895000, 8618750, 9850000, 13790000, 17237500, 34475000, 68950000]

約数ペア:

[(1, 68950000), (2, 34475000), (4, 17237500), (5, 13790000), (7, 9850000), (8, 8618750), (10, 6895000), (14, 4925000), (16, 4309375), (20, 3447500), (25, 2758000), (28, 2462500), (35, 1970000), (40, 1723750), (50, 1379000), (56, 1231250), (70, 985000), (80, 861875), (100, 689500), (112, 615625), (125, 551600), (140, 492500), (175, 394000), (197, 350000), (200, 344750), (250, 275800), (280, 246250), (350, 197000), (394, 175000), (400, 172375), (500, 137900), (560, 123125), (625, 110320), (700, 98500), (788, 87500), (875, 78800), (985, 70000), (1000, 68950), (1250, 55160), (1379, 50000), (1400, 49250), (1576, 43750), (1750, 39400), (1970, 35000), (2000, 34475), (2500, 27580), (2758, 25000), (2800, 24625), (3125, 22064), (3152, 21875), (3500, 19700), (3940, 17500), (4375, 15760), (4925, 14000), (5000, 13790), (5516, 12500), (6250, 11032), (6895, 10000), (7000, 9850), (7880, 8750)]