27876730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{79}}^1$

素因数の和:235

約数の個数: 48

約数和(自身を含む): 58901760

約数和(自身を除く): 31025030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 79, 142, 158, 355, 395, 497, 553, 710, 790, 994, 1106, 2485, 2765, 4970, 5041, 5530, 5609, 10082, 11218, 25205, 28045, 35287, 39263, 50410, 56090, 70574, 78526, 176435, 196315, 352870, 392630, 398239, 796478, 1991195, 2787673, 3982390, 5575346, 13938365, 27876730]

約数ペア:

[(1, 27876730), (2, 13938365), (5, 5575346), (7, 3982390), (10, 2787673), (14, 1991195), (35, 796478), (70, 398239), (71, 392630), (79, 352870), (142, 196315), (158, 176435), (355, 78526), (395, 70574), (497, 56090), (553, 50410), (710, 39263), (790, 35287), (994, 28045), (1106, 25205), (2485, 11218), (2765, 10082), (4970, 5609), (5041, 5530)]