217658000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{2221}}^1$

素因数の和:2258

約数の個数: 120

約数和(自身を含む): 612498744

約数和(自身を除く): 394840744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 875, 980, 1000, 1225, 1400, 1750, 1960, 2000, 2221, 2450, 2800, 3500, 3920, 4442, 4900, 6125, 7000, 8884, 9800, 11105, 12250, 14000, 15547, 17768, 19600, 22210, 24500, 31094, 35536, 44420, 49000, 55525, 62188, 77735, 88840, 98000, 108829, 111050, 124376, 155470, 177680, 217658, 222100, 248752, 277625, 310940, 388675, 435316, 444200, 544145, 555250, 621880, 777350, 870632, 888400, 1088290, 1110500, 1243760, 1554700, 1741264, 1943375, 2176580, 2221000, 2720725, 3109400, 3886750, 4353160, 4442000, 5441450, 6218800, 7773500, 8706320, 10882900, 13603625, 15547000, 21765800, 27207250, 31094000, 43531600, 54414500, 108829000, 217658000]

約数ペア:

[(1, 217658000), (2, 108829000), (4, 54414500), (5, 43531600), (7, 31094000), (8, 27207250), (10, 21765800), (14, 15547000), (16, 13603625), (20, 10882900), (25, 8706320), (28, 7773500), (35, 6218800), (40, 5441450), (49, 4442000), (50, 4353160), (56, 3886750), (70, 3109400), (80, 2720725), (98, 2221000), (100, 2176580), (112, 1943375), (125, 1741264), (140, 1554700), (175, 1243760), (196, 1110500), (200, 1088290), (245, 888400), (250, 870632), (280, 777350), (350, 621880), (392, 555250), (400, 544145), (490, 444200), (500, 435316), (560, 388675), (700, 310940), (784, 277625), (875, 248752), (980, 222100), (1000, 217658), (1225, 177680), (1400, 155470), (1750, 124376), (1960, 111050), (2000, 108829), (2221, 98000), (2450, 88840), (2800, 77735), (3500, 62188), (3920, 55525), (4442, 49000), (4900, 44420), (6125, 35536), (7000, 31094), (8884, 24500), (9800, 22210), (11105, 19600), (12250, 17768), (14000, 15547)]