209942172

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 192

約数和(自身を含む): 638668800

約数和(自身を除く): 428726628

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 27, 33, 36, 38, 44, 54, 57, 66, 71, 76, 99, 108, 114, 131, 132, 142, 171, 198, 209, 213, 228, 262, 284, 297, 342, 393, 396, 418, 426, 513, 524, 594, 627, 639, 684, 781, 786, 836, 852, 1026, 1179, 1188, 1254, 1278, 1349, 1441, 1562, 1572, 1881, 1917, 2052, 2343, 2358, 2489, 2508, 2556, 2698, 2882, 3124, 3537, 3762, 3834, 4047, 4323, 4686, 4716, 4978, 5396, 5643, 5764, 7029, 7074, 7467, 7524, 7668, 8094, 8646, 9301, 9372, 9956, 11286, 12141, 12969, 14058, 14148, 14839, 14934, 16188, 17292, 18602, 21087, 22401, 22572, 24282, 25938, 27379, 27903, 28116, 29678, 29868, 36423, 37204, 38907, 42174, 44517, 44802, 48564, 51876, 54758, 55806, 59356, 67203, 72846, 77814, 82137, 83709, 84348, 89034, 89604, 102311, 109516, 111612, 133551, 134406, 145692, 155628, 164274, 167418, 176719, 178068, 204622, 246411, 251127, 267102, 268812, 306933, 328548, 334836, 353438, 400653, 409244, 492822, 502254, 530157, 534204, 613866, 706876, 739233, 801306, 920799, 985644, 1004508, 1060314, 1227732, 1478466, 1590471, 1602612, 1841598, 1943909, 2120628, 2762397, 2956932, 3180942, 3683196, 3887818, 4771413, 5524794, 5831727, 6361884, 7775636, 9542826, 11049588, 11663454, 17495181, 19085652, 23326908, 34990362, 52485543, 69980724, 104971086, 209942172]

約数ペア:

[(1, 209942172), (2, 104971086), (3, 69980724), (4, 52485543), (6, 34990362), (9, 23326908), (11, 19085652), (12, 17495181), (18, 11663454), (19, 11049588), (22, 9542826), (27, 7775636), (33, 6361884), (36, 5831727), (38, 5524794), (44, 4771413), (54, 3887818), (57, 3683196), (66, 3180942), (71, 2956932), (76, 2762397), (99, 2120628), (108, 1943909), (114, 1841598), (131, 1602612), (132, 1590471), (142, 1478466), (171, 1227732), (198, 1060314), (209, 1004508), (213, 985644), (228, 920799), (262, 801306), (284, 739233), (297, 706876), (342, 613866), (393, 534204), (396, 530157), (418, 502254), (426, 492822), (513, 409244), (524, 400653), (594, 353438), (627, 334836), (639, 328548), (684, 306933), (781, 268812), (786, 267102), (836, 251127), (852, 246411), (1026, 204622), (1179, 178068), (1188, 176719), (1254, 167418), (1278, 164274), (1349, 155628), (1441, 145692), (1562, 134406), (1572, 133551), (1881, 111612), (1917, 109516), (2052, 102311), (2343, 89604), (2358, 89034), (2489, 84348), (2508, 83709), (2556, 82137), (2698, 77814), (2882, 72846), (3124, 67203), (3537, 59356), (3762, 55806), (3834, 54758), (4047, 51876), (4323, 48564), (4686, 44802), (4716, 44517), (4978, 42174), (5396, 38907), (5643, 37204), (5764, 36423), (7029, 29868), (7074, 29678), (7467, 28116), (7524, 27903), (7668, 27379), (8094, 25938), (8646, 24282), (9301, 22572), (9372, 22401), (9956, 21087), (11286, 18602), (12141, 17292), (12969, 16188), (14058, 14934), (14148, 14839)]