520019885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 860461056

約数和(自身を除く): 340441171

約数列:

[1, 5, 7, 11, 17, 31, 35, 55, 77, 85, 119, 121, 155, 187, 217, 233, 341, 385, 527, 595, 605, 847, 935, 1085, 1165, 1309, 1631, 1705, 2057, 2387, 2563, 2635, 3689, 3751, 3961, 4235, 5797, 6545, 7223, 8155, 10285, 11935, 12815, 14399, 17941, 18445, 18755, 19805, 26257, 27727, 28193, 28985, 36115, 40579, 43571, 50561, 63767, 71995, 79453, 89705, 122791, 131285, 138635, 140965, 197351, 202895, 217855, 252805, 304997, 318835, 397265, 446369, 479281, 556171, 613955, 859537, 873983, 986755, 1350701, 1524985, 2231845, 2396405, 2780855, 3354967, 4297685, 4369915, 6117881, 6753505, 9454907, 14857711, 16774835, 30589405, 47274535, 74288555, 104003977, 520019885]

約数ペア:

[(1, 520019885), (5, 104003977), (7, 74288555), (11, 47274535), (17, 30589405), (31, 16774835), (35, 14857711), (55, 9454907), (77, 6753505), (85, 6117881), (119, 4369915), (121, 4297685), (155, 3354967), (187, 2780855), (217, 2396405), (233, 2231845), (341, 1524985), (385, 1350701), (527, 986755), (595, 873983), (605, 859537), (847, 613955), (935, 556171), (1085, 479281), (1165, 446369), (1309, 397265), (1631, 318835), (1705, 304997), (2057, 252805), (2387, 217855), (2563, 202895), (2635, 197351), (3689, 140965), (3751, 138635), (3961, 131285), (4235, 122791), (5797, 89705), (6545, 79453), (7223, 71995), (8155, 63767), (10285, 50561), (11935, 43571), (12815, 40579), (14399, 36115), (17941, 28985), (18445, 28193), (18755, 27727), (19805, 26257)]