189700000

素因数分解:

$2^5\times 5^5\times 7^1\times {\mathrm{271}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 535465728

約数和(自身を除く): 345765728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 271, 280, 350, 400, 500, 542, 560, 625, 700, 800, 875, 1000, 1084, 1120, 1250, 1355, 1400, 1750, 1897, 2000, 2168, 2500, 2710, 2800, 3125, 3500, 3794, 4000, 4336, 4375, 5000, 5420, 5600, 6250, 6775, 7000, 7588, 8672, 8750, 9485, 10000, 10840, 12500, 13550, 14000, 15176, 17500, 18970, 20000, 21680, 21875, 25000, 27100, 28000, 30352, 33875, 35000, 37940, 43360, 43750, 47425, 50000, 54200, 60704, 67750, 70000, 75880, 87500, 94850, 100000, 108400, 135500, 140000, 151760, 169375, 175000, 189700, 216800, 237125, 271000, 303520, 338750, 350000, 379400, 474250, 542000, 677500, 700000, 758800, 846875, 948500, 1084000, 1185625, 1355000, 1517600, 1693750, 1897000, 2371250, 2710000, 3387500, 3794000, 4742500, 5420000, 5928125, 6775000, 7588000, 9485000, 11856250, 13550000, 18970000, 23712500, 27100000, 37940000, 47425000, 94850000, 189700000]

約数ペア:

[(1, 189700000), (2, 94850000), (4, 47425000), (5, 37940000), (7, 27100000), (8, 23712500), (10, 18970000), (14, 13550000), (16, 11856250), (20, 9485000), (25, 7588000), (28, 6775000), (32, 5928125), (35, 5420000), (40, 4742500), (50, 3794000), (56, 3387500), (70, 2710000), (80, 2371250), (100, 1897000), (112, 1693750), (125, 1517600), (140, 1355000), (160, 1185625), (175, 1084000), (200, 948500), (224, 846875), (250, 758800), (271, 700000), (280, 677500), (350, 542000), (400, 474250), (500, 379400), (542, 350000), (560, 338750), (625, 303520), (700, 271000), (800, 237125), (875, 216800), (1000, 189700), (1084, 175000), (1120, 169375), (1250, 151760), (1355, 140000), (1400, 135500), (1750, 108400), (1897, 100000), (2000, 94850), (2168, 87500), (2500, 75880), (2710, 70000), (2800, 67750), (3125, 60704), (3500, 54200), (3794, 50000), (4000, 47425), (4336, 43750), (4375, 43360), (5000, 37940), (5420, 35000), (5600, 33875), (6250, 30352), (6775, 28000), (7000, 27100), (7588, 25000), (8672, 21875), (8750, 21680), (9485, 20000), (10000, 18970), (10840, 17500), (12500, 15176), (13550, 14000)]