51712500

素因数分解:

$2^2\times 3^1\times 5^5\times 7^1\times {\mathrm{197}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 173238912

約数和(自身を除く): 121526412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 197, 210, 250, 300, 350, 375, 394, 420, 500, 525, 591, 625, 700, 750, 788, 875, 985, 1050, 1182, 1250, 1379, 1500, 1750, 1875, 1970, 2100, 2364, 2500, 2625, 2758, 2955, 3125, 3500, 3750, 3940, 4137, 4375, 4925, 5250, 5516, 5910, 6250, 6895, 7500, 8274, 8750, 9375, 9850, 10500, 11820, 12500, 13125, 13790, 14775, 16548, 17500, 18750, 19700, 20685, 21875, 24625, 26250, 27580, 29550, 34475, 37500, 41370, 43750, 49250, 52500, 59100, 65625, 68950, 73875, 82740, 87500, 98500, 103425, 123125, 131250, 137900, 147750, 172375, 206850, 246250, 262500, 295500, 344750, 369375, 413700, 492500, 517125, 615625, 689500, 738750, 861875, 1034250, 1231250, 1477500, 1723750, 1846875, 2068500, 2462500, 2585625, 3447500, 3693750, 4309375, 5171250, 7387500, 8618750, 10342500, 12928125, 17237500, 25856250, 51712500]

約数ペア:

[(1, 51712500), (2, 25856250), (3, 17237500), (4, 12928125), (5, 10342500), (6, 8618750), (7, 7387500), (10, 5171250), (12, 4309375), (14, 3693750), (15, 3447500), (20, 2585625), (21, 2462500), (25, 2068500), (28, 1846875), (30, 1723750), (35, 1477500), (42, 1231250), (50, 1034250), (60, 861875), (70, 738750), (75, 689500), (84, 615625), (100, 517125), (105, 492500), (125, 413700), (140, 369375), (150, 344750), (175, 295500), (197, 262500), (210, 246250), (250, 206850), (300, 172375), (350, 147750), (375, 137900), (394, 131250), (420, 123125), (500, 103425), (525, 98500), (591, 87500), (625, 82740), (700, 73875), (750, 68950), (788, 65625), (875, 59100), (985, 52500), (1050, 49250), (1182, 43750), (1250, 41370), (1379, 37500), (1500, 34475), (1750, 29550), (1875, 27580), (1970, 26250), (2100, 24625), (2364, 21875), (2500, 20685), (2625, 19700), (2758, 18750), (2955, 17500), (3125, 16548), (3500, 14775), (3750, 13790), (3940, 13125), (4137, 12500), (4375, 11820), (4925, 10500), (5250, 9850), (5516, 9375), (5910, 8750), (6250, 8274), (6895, 7500)]