254920281400

素因数分解:

$2^3\times 5^2\times {\mathrm{991}}^1\times {\mathrm{1286177}}^1$

素因数の和:1287184

約数の個数: 48

約数和(自身を含む): 593288187840

約数和(自身を除く): 338367906440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 991, 1982, 3964, 4955, 7928, 9910, 19820, 24775, 39640, 49550, 99100, 198200, 1286177, 2572354, 5144708, 6430885, 10289416, 12861770, 25723540, 32154425, 51447080, 64308850, 128617700, 257235400, 1274601407, 2549202814, 5098405628, 6373007035, 10196811256, 12746014070, 25492028140, 31865035175, 50984056280, 63730070350, 127460140700, 254920281400]

約数ペア:

[(1, 254920281400), (2, 127460140700), (4, 63730070350), (5, 50984056280), (8, 31865035175), (10, 25492028140), (20, 12746014070), (25, 10196811256), (40, 6373007035), (50, 5098405628), (100, 2549202814), (200, 1274601407), (991, 257235400), (1982, 128617700), (3964, 64308850), (4955, 51447080), (7928, 32154425), (9910, 25723540), (19820, 12861770), (24775, 10289416), (39640, 6430885), (49550, 5144708), (99100, 2572354), (198200, 1286177)]