1999968672

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{881}}^1$

素因数の和:1031

約数の個数: 192

約数和(自身を含む): 6049137024

約数和(自身を除く): 4049168352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 104, 107, 136, 156, 204, 208, 214, 221, 272, 312, 321, 408, 416, 428, 442, 544, 624, 642, 663, 816, 856, 881, 884, 1248, 1284, 1326, 1391, 1632, 1712, 1762, 1768, 1819, 2568, 2643, 2652, 2782, 3424, 3524, 3536, 3638, 4173, 5136, 5286, 5304, 5457, 5564, 7048, 7072, 7276, 8346, 10272, 10572, 10608, 10914, 11128, 11453, 14096, 14552, 14977, 16692, 21144, 21216, 21828, 22256, 22906, 23647, 28192, 29104, 29954, 33384, 34359, 42288, 43656, 44512, 44931, 45812, 47294, 58208, 59908, 66768, 68718, 70941, 84576, 87312, 89862, 91624, 94267, 94588, 119816, 133536, 137436, 141882, 174624, 179724, 183248, 188534, 189176, 194701, 239632, 274872, 282801, 283764, 359448, 366496, 377068, 378352, 389402, 479264, 549744, 565602, 567528, 584103, 718896, 754136, 756704, 778804, 1099488, 1131204, 1135056, 1168206, 1225471, 1437792, 1508272, 1557608, 1602539, 2262408, 2270112, 2336412, 2450942, 3016544, 3115216, 3205078, 3676413, 4524816, 4672824, 4807617, 4901884, 6230432, 6410156, 7352826, 9049632, 9345648, 9615234, 9803768, 12820312, 14705652, 18691296, 19230468, 19607536, 20833007, 25640624, 29411304, 38460936, 39215072, 41666014, 51281248, 58822608, 62499021, 76921872, 83332028, 117645216, 124998042, 153843744, 166664056, 249996084, 333328112, 499992168, 666656224, 999984336, 1999968672]

約数ペア:

[(1, 1999968672), (2, 999984336), (3, 666656224), (4, 499992168), (6, 333328112), (8, 249996084), (12, 166664056), (13, 153843744), (16, 124998042), (17, 117645216), (24, 83332028), (26, 76921872), (32, 62499021), (34, 58822608), (39, 51281248), (48, 41666014), (51, 39215072), (52, 38460936), (68, 29411304), (78, 25640624), (96, 20833007), (102, 19607536), (104, 19230468), (107, 18691296), (136, 14705652), (156, 12820312), (204, 9803768), (208, 9615234), (214, 9345648), (221, 9049632), (272, 7352826), (312, 6410156), (321, 6230432), (408, 4901884), (416, 4807617), (428, 4672824), (442, 4524816), (544, 3676413), (624, 3205078), (642, 3115216), (663, 3016544), (816, 2450942), (856, 2336412), (881, 2270112), (884, 2262408), (1248, 1602539), (1284, 1557608), (1326, 1508272), (1391, 1437792), (1632, 1225471), (1712, 1168206), (1762, 1135056), (1768, 1131204), (1819, 1099488), (2568, 778804), (2643, 756704), (2652, 754136), (2782, 718896), (3424, 584103), (3524, 567528), (3536, 565602), (3638, 549744), (4173, 479264), (5136, 389402), (5286, 378352), (5304, 377068), (5457, 366496), (5564, 359448), (7048, 283764), (7072, 282801), (7276, 274872), (8346, 239632), (10272, 194701), (10572, 189176), (10608, 188534), (10914, 183248), (11128, 179724), (11453, 174624), (14096, 141882), (14552, 137436), (14977, 133536), (16692, 119816), (21144, 94588), (21216, 94267), (21828, 91624), (22256, 89862), (22906, 87312), (23647, 84576), (28192, 70941), (29104, 68718), (29954, 66768), (33384, 59908), (34359, 58208), (42288, 47294), (43656, 45812), (44512, 44931)]