289230040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{15287}}^1$

素因数の和:15352

約数の個数: 64

約数和(自身を含む): 726485760

約数和(自身を除く): 437255720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 15287, 18920, 30574, 61148, 76435, 122296, 152870, 168157, 305740, 336314, 611480, 657341, 672628, 840785, 1314682, 1345256, 1681570, 2629364, 3286705, 3363140, 5258728, 6573410, 6726280, 7230751, 13146820, 14461502, 26293640, 28923004, 36153755, 57846008, 72307510, 144615020, 289230040]

約数ペア:

[(1, 289230040), (2, 144615020), (4, 72307510), (5, 57846008), (8, 36153755), (10, 28923004), (11, 26293640), (20, 14461502), (22, 13146820), (40, 7230751), (43, 6726280), (44, 6573410), (55, 5258728), (86, 3363140), (88, 3286705), (110, 2629364), (172, 1681570), (215, 1345256), (220, 1314682), (344, 840785), (430, 672628), (440, 657341), (473, 611480), (860, 336314), (946, 305740), (1720, 168157), (1892, 152870), (2365, 122296), (3784, 76435), (4730, 61148), (9460, 30574), (15287, 18920)]