291254180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{16381}}^1$

素因数の和:16524

約数の個数: 48

約数和(自身を含む): 704557056

約数和(自身を除く): 413302876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 16381, 17780, 32762, 65524, 81905, 114667, 163810, 229334, 327620, 458668, 573335, 1146670, 2080387, 2293340, 4160774, 8321548, 10401935, 14562709, 20803870, 29125418, 41607740, 58250836, 72813545, 145627090, 291254180]

約数ペア:

[(1, 291254180), (2, 145627090), (4, 72813545), (5, 58250836), (7, 41607740), (10, 29125418), (14, 20803870), (20, 14562709), (28, 10401935), (35, 8321548), (70, 4160774), (127, 2293340), (140, 2080387), (254, 1146670), (508, 573335), (635, 458668), (889, 327620), (1270, 229334), (1778, 163810), (2540, 114667), (3556, 81905), (4445, 65524), (8890, 32762), (16381, 17780)]