221840360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2351}}^1$

素因数の和:2706

約数の個数: 64

約数和(自身を含む): 572382720

約数和(自身を除く): 350542360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 337, 674, 1348, 1685, 2351, 2359, 2696, 3370, 4702, 4718, 6740, 9404, 9436, 11755, 11795, 13480, 16457, 18808, 18872, 23510, 23590, 32914, 47020, 47180, 65828, 82285, 94040, 94360, 131656, 164570, 329140, 658280, 792287, 1584574, 3169148, 3961435, 5546009, 6338296, 7922870, 11092018, 15845740, 22184036, 27730045, 31691480, 44368072, 55460090, 110920180, 221840360]

約数ペア:

[(1, 221840360), (2, 110920180), (4, 55460090), (5, 44368072), (7, 31691480), (8, 27730045), (10, 22184036), (14, 15845740), (20, 11092018), (28, 7922870), (35, 6338296), (40, 5546009), (56, 3961435), (70, 3169148), (140, 1584574), (280, 792287), (337, 658280), (674, 329140), (1348, 164570), (1685, 131656), (2351, 94360), (2359, 94040), (2696, 82285), (3370, 65828), (4702, 47180), (4718, 47020), (6740, 32914), (9404, 23590), (9436, 23510), (11755, 18872), (11795, 18808), (13480, 16457)]