18970000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{271}}^1$

素因数の和:306

約数の個数: 100

約数和(自身を含む): 52683136

約数和(自身を除く): 33713136

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, 200, 250, 271, 280, 350, 400, 500, 542, 560, 625, 700, 875, 1000, 1084, 1250, 1355, 1400, 1750, 1897, 2000, 2168, 2500, 2710, 2800, 3500, 3794, 4336, 4375, 5000, 5420, 6775, 7000, 7588, 8750, 9485, 10000, 10840, 13550, 14000, 15176, 17500, 18970, 21680, 27100, 30352, 33875, 35000, 37940, 47425, 54200, 67750, 70000, 75880, 94850, 108400, 135500, 151760, 169375, 189700, 237125, 271000, 338750, 379400, 474250, 542000, 677500, 758800, 948500, 1185625, 1355000, 1897000, 2371250, 2710000, 3794000, 4742500, 9485000, 18970000]

約数ペア:

[(1, 18970000), (2, 9485000), (4, 4742500), (5, 3794000), (7, 2710000), (8, 2371250), (10, 1897000), (14, 1355000), (16, 1185625), (20, 948500), (25, 758800), (28, 677500), (35, 542000), (40, 474250), (50, 379400), (56, 338750), (70, 271000), (80, 237125), (100, 189700), (112, 169375), (125, 151760), (140, 135500), (175, 108400), (200, 94850), (250, 75880), (271, 70000), (280, 67750), (350, 54200), (400, 47425), (500, 37940), (542, 35000), (560, 33875), (625, 30352), (700, 27100), (875, 21680), (1000, 18970), (1084, 17500), (1250, 15176), (1355, 14000), (1400, 13550), (1750, 10840), (1897, 10000), (2000, 9485), (2168, 8750), (2500, 7588), (2710, 7000), (2800, 6775), (3500, 5420), (3794, 5000), (4336, 4375)]