247676870

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 524275200

約数和(自身を除く): 276598330

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 163, 245, 326, 343, 443, 490, 686, 815, 886, 1141, 1630, 1715, 2215, 2282, 3101, 3430, 4430, 5705, 6202, 7987, 11410, 15505, 15974, 21707, 31010, 39935, 43414, 55909, 72209, 79870, 108535, 111818, 144418, 151949, 217070, 279545, 303898, 361045, 505463, 559090, 722090, 759745, 1010926, 1519490, 2527315, 3538241, 5054630, 7076482, 17691205, 24767687, 35382410, 49535374, 123838435, 247676870]

約数ペア:

[(1, 247676870), (2, 123838435), (5, 49535374), (7, 35382410), (10, 24767687), (14, 17691205), (35, 7076482), (49, 5054630), (70, 3538241), (98, 2527315), (163, 1519490), (245, 1010926), (326, 759745), (343, 722090), (443, 559090), (490, 505463), (686, 361045), (815, 303898), (886, 279545), (1141, 217070), (1630, 151949), (1715, 144418), (2215, 111818), (2282, 108535), (3101, 79870), (3430, 72209), (4430, 55909), (5705, 43414), (6202, 39935), (7987, 31010), (11410, 21707), (15505, 15974)]