306171880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15401}}^1$

素因数の和:15490

約数の個数: 64

約数和(自身を含む): 798439680

約数和(自身を除く): 492267800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 15401, 19880, 30802, 61604, 77005, 107807, 123208, 154010, 215614, 308020, 431228, 539035, 616040, 862456, 1078070, 1093471, 2156140, 2186942, 4312280, 4373884, 5467355, 7654297, 8747768, 10934710, 15308594, 21869420, 30617188, 38271485, 43738840, 61234376, 76542970, 153085940, 306171880]

約数ペア:

[(1, 306171880), (2, 153085940), (4, 76542970), (5, 61234376), (7, 43738840), (8, 38271485), (10, 30617188), (14, 21869420), (20, 15308594), (28, 10934710), (35, 8747768), (40, 7654297), (56, 5467355), (70, 4373884), (71, 4312280), (140, 2186942), (142, 2156140), (280, 1093471), (284, 1078070), (355, 862456), (497, 616040), (568, 539035), (710, 431228), (994, 308020), (1420, 215614), (1988, 154010), (2485, 123208), (2840, 107807), (3976, 77005), (4970, 61604), (9940, 30802), (15401, 19880)]