280738908

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{14153}}^1$

素因数の和:14211

約数の個数: 72

約数和(自身を含む): 772808400

約数和(自身を除く): 492069492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1653, 2204, 3306, 4959, 6612, 9918, 14153, 19836, 28306, 42459, 56612, 84918, 127377, 169836, 254754, 268907, 410437, 509508, 537814, 806721, 820874, 1075628, 1231311, 1613442, 1641748, 2420163, 2462622, 3226884, 3693933, 4840326, 4925244, 7387866, 7798303, 9680652, 14775732, 15596606, 23394909, 31193212, 46789818, 70184727, 93579636, 140369454, 280738908]

約数ペア:

[(1, 280738908), (2, 140369454), (3, 93579636), (4, 70184727), (6, 46789818), (9, 31193212), (12, 23394909), (18, 15596606), (19, 14775732), (29, 9680652), (36, 7798303), (38, 7387866), (57, 4925244), (58, 4840326), (76, 3693933), (87, 3226884), (114, 2462622), (116, 2420163), (171, 1641748), (174, 1613442), (228, 1231311), (261, 1075628), (342, 820874), (348, 806721), (522, 537814), (551, 509508), (684, 410437), (1044, 268907), (1102, 254754), (1653, 169836), (2204, 127377), (3306, 84918), (4959, 56612), (6612, 42459), (9918, 28306), (14153, 19836)]