1899690925

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:160

約数の個数: 108

約数和(自身を含む): 2870745948

約数和(自身を除く): 971055023

約数列:

[1, 5, 11, 17, 25, 41, 53, 55, 85, 121, 187, 205, 265, 275, 289, 425, 451, 583, 605, 697, 901, 935, 1025, 1325, 1445, 2057, 2173, 2255, 2915, 3025, 3179, 3485, 4505, 4675, 4961, 6413, 7225, 7667, 9911, 10285, 10865, 11275, 11849, 14575, 15317, 15895, 17425, 22525, 23903, 24805, 32065, 34969, 36941, 38335, 49555, 51425, 54325, 59245, 76585, 79475, 84337, 109021, 119515, 124025, 130339, 160325, 168487, 174845, 184705, 191675, 247775, 262933, 296225, 382925, 406351, 421685, 545105, 597575, 627997, 651695, 842435, 874225, 923525, 1314665, 1433729, 1853357, 2031755, 2108425, 2725525, 3139985, 3258475, 4212175, 4469861, 6573325, 6907967, 7168645, 9266785, 10158775, 15699925, 22349305, 34539835, 35843225, 46333925, 75987637, 111746525, 172699175, 379938185, 1899690925]

約数ペア:

[(1, 1899690925), (5, 379938185), (11, 172699175), (17, 111746525), (25, 75987637), (41, 46333925), (53, 35843225), (55, 34539835), (85, 22349305), (121, 15699925), (187, 10158775), (205, 9266785), (265, 7168645), (275, 6907967), (289, 6573325), (425, 4469861), (451, 4212175), (583, 3258475), (605, 3139985), (697, 2725525), (901, 2108425), (935, 2031755), (1025, 1853357), (1325, 1433729), (1445, 1314665), (2057, 923525), (2173, 874225), (2255, 842435), (2915, 651695), (3025, 627997), (3179, 597575), (3485, 545105), (4505, 421685), (4675, 406351), (4961, 382925), (6413, 296225), (7225, 262933), (7667, 247775), (9911, 191675), (10285, 184705), (10865, 174845), (11275, 168487), (11849, 160325), (14575, 130339), (15317, 124025), (15895, 119515), (17425, 109021), (22525, 84337), (23903, 79475), (24805, 76585), (32065, 59245), (34969, 54325), (36941, 51425), (38335, 49555)]