30905476

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 68117280

約数和(自身を除く): 37211804

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 193, 196, 266, 301, 386, 532, 602, 772, 817, 931, 1204, 1351, 1634, 1862, 2107, 2702, 3268, 3667, 3724, 4214, 5404, 5719, 7334, 8299, 8428, 9457, 11438, 14668, 16598, 18914, 22876, 25669, 33196, 37828, 40033, 51338, 58093, 80066, 102676, 116186, 157681, 160132, 179683, 232372, 315362, 359366, 406651, 630724, 718732, 813302, 1103767, 1626604, 2207534, 4415068, 7726369, 15452738, 30905476]

約数ペア:

[(1, 30905476), (2, 15452738), (4, 7726369), (7, 4415068), (14, 2207534), (19, 1626604), (28, 1103767), (38, 813302), (43, 718732), (49, 630724), (76, 406651), (86, 359366), (98, 315362), (133, 232372), (172, 179683), (193, 160132), (196, 157681), (266, 116186), (301, 102676), (386, 80066), (532, 58093), (602, 51338), (772, 40033), (817, 37828), (931, 33196), (1204, 25669), (1351, 22876), (1634, 18914), (1862, 16598), (2107, 14668), (2702, 11438), (3268, 9457), (3667, 8428), (3724, 8299), (4214, 7334), (5404, 5719)]