280076258

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 604765440

約数和(自身を除く): 324689182

約数列:

[1, 2, 7, 11, 14, 17, 22, 29, 31, 34, 49, 58, 62, 77, 98, 119, 154, 187, 203, 217, 238, 289, 319, 341, 374, 406, 434, 493, 527, 539, 578, 638, 682, 833, 899, 986, 1054, 1078, 1309, 1421, 1519, 1666, 1798, 2023, 2233, 2387, 2618, 2842, 3038, 3179, 3451, 3689, 4046, 4466, 4774, 5423, 5797, 6293, 6358, 6902, 7378, 8381, 8959, 9163, 9889, 10846, 11594, 12586, 14161, 15283, 15631, 16709, 16762, 17918, 18326, 19778, 22253, 24157, 25823, 28322, 30566, 31262, 33418, 37961, 40579, 44051, 44506, 48314, 51646, 58667, 62713, 69223, 75922, 81158, 88102, 92191, 98549, 106981, 117334, 125426, 138446, 155771, 168113, 184382, 197098, 213962, 259811, 265727, 284053, 311542, 336226, 410669, 438991, 484561, 519622, 531454, 568106, 645337, 689843, 748867, 821338, 877982, 969122, 1176791, 1290674, 1379686, 1497734, 1818677, 2353582, 2857921, 3637354, 4517359, 4828901, 5715842, 8237537, 9034718, 9657802, 12730739, 16475074, 20005447, 25461478, 40010894, 140038129, 280076258]

約数ペア:

[(1, 280076258), (2, 140038129), (7, 40010894), (11, 25461478), (14, 20005447), (17, 16475074), (22, 12730739), (29, 9657802), (31, 9034718), (34, 8237537), (49, 5715842), (58, 4828901), (62, 4517359), (77, 3637354), (98, 2857921), (119, 2353582), (154, 1818677), (187, 1497734), (203, 1379686), (217, 1290674), (238, 1176791), (289, 969122), (319, 877982), (341, 821338), (374, 748867), (406, 689843), (434, 645337), (493, 568106), (527, 531454), (539, 519622), (578, 484561), (638, 438991), (682, 410669), (833, 336226), (899, 311542), (986, 284053), (1054, 265727), (1078, 259811), (1309, 213962), (1421, 197098), (1519, 184382), (1666, 168113), (1798, 155771), (2023, 138446), (2233, 125426), (2387, 117334), (2618, 106981), (2842, 98549), (3038, 92191), (3179, 88102), (3451, 81158), (3689, 75922), (4046, 69223), (4466, 62713), (4774, 58667), (5423, 51646), (5797, 48314), (6293, 44506), (6358, 44051), (6902, 40579), (7378, 37961), (8381, 33418), (8959, 31262), (9163, 30566), (9889, 28322), (10846, 25823), (11594, 24157), (12586, 22253), (14161, 19778), (15283, 18326), (15631, 17918), (16709, 16762)]