257029394552

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{1289}}^1$

素因数の和:1670

約数の個数: 192

約数和(自身を含む): 590828256000

約数和(自身を除く): 333798861448

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 61, 62, 98, 122, 124, 196, 217, 244, 248, 269, 392, 427, 434, 488, 538, 854, 868, 1076, 1289, 1519, 1708, 1736, 1883, 1891, 2152, 2578, 2989, 3038, 3416, 3766, 3782, 5156, 5978, 6076, 7532, 7564, 8339, 9023, 10312, 11956, 12152, 13181, 13237, 15064, 15128, 16409, 16678, 18046, 23912, 26362, 26474, 32818, 33356, 36092, 39959, 52724, 52948, 58373, 63161, 65636, 66712, 72184, 78629, 79918, 92659, 105448, 105896, 114863, 116746, 126322, 131272, 157258, 159836, 185318, 229726, 233492, 252644, 279713, 314516, 319672, 346741, 370636, 408611, 459452, 466984, 505288, 508679, 550403, 559426, 629032, 693482, 741272, 804041, 817222, 918904, 1017358, 1100806, 1118852, 1386964, 1608082, 1634444, 1957991, 2034716, 2201612, 2237704, 2427187, 2437499, 2773928, 3216164, 3268888, 3560753, 3852821, 3915982, 4069432, 4403224, 4854374, 4874998, 6432328, 7121506, 7705642, 7831964, 9708748, 9749996, 10748971, 14243012, 15411284, 15663928, 16990309, 17062493, 19417496, 19499992, 21151201, 21497942, 24925271, 28486024, 30822568, 33980618, 34124986, 42302402, 42995884, 49850542, 67961236, 68249972, 75242797, 84604804, 85991768, 99701084, 119437451, 135922472, 136499944, 148058407, 150485594, 169209608, 199402168, 238874902, 296116814, 300971188, 477749804, 526699579, 592233628, 601942376, 655687231, 955499608, 1036408849, 1053399158, 1184467256, 1311374462, 2072817698, 2106798316, 2622748924, 4145635396, 4213596632, 4589810617, 5245497848, 8291270792, 9179621234, 18359242468, 32128674319, 36718484936, 64257348638, 128514697276, 257029394552]

約数ペア:

[(1, 257029394552), (2, 128514697276), (4, 64257348638), (7, 36718484936), (8, 32128674319), (14, 18359242468), (28, 9179621234), (31, 8291270792), (49, 5245497848), (56, 4589810617), (61, 4213596632), (62, 4145635396), (98, 2622748924), (122, 2106798316), (124, 2072817698), (196, 1311374462), (217, 1184467256), (244, 1053399158), (248, 1036408849), (269, 955499608), (392, 655687231), (427, 601942376), (434, 592233628), (488, 526699579), (538, 477749804), (854, 300971188), (868, 296116814), (1076, 238874902), (1289, 199402168), (1519, 169209608), (1708, 150485594), (1736, 148058407), (1883, 136499944), (1891, 135922472), (2152, 119437451), (2578, 99701084), (2989, 85991768), (3038, 84604804), (3416, 75242797), (3766, 68249972), (3782, 67961236), (5156, 49850542), (5978, 42995884), (6076, 42302402), (7532, 34124986), (7564, 33980618), (8339, 30822568), (9023, 28486024), (10312, 24925271), (11956, 21497942), (12152, 21151201), (13181, 19499992), (13237, 19417496), (15064, 17062493), (15128, 16990309), (16409, 15663928), (16678, 15411284), (18046, 14243012), (23912, 10748971), (26362, 9749996), (26474, 9708748), (32818, 7831964), (33356, 7705642), (36092, 7121506), (39959, 6432328), (52724, 4874998), (52948, 4854374), (58373, 4403224), (63161, 4069432), (65636, 3915982), (66712, 3852821), (72184, 3560753), (78629, 3268888), (79918, 3216164), (92659, 2773928), (105448, 2437499), (105896, 2427187), (114863, 2237704), (116746, 2201612), (126322, 2034716), (131272, 1957991), (157258, 1634444), (159836, 1608082), (185318, 1386964), (229726, 1118852), (233492, 1100806), (252644, 1017358), (279713, 918904), (314516, 817222), (319672, 804041), (346741, 741272), (370636, 693482), (408611, 629032), (459452, 559426), (466984, 550403), (505288, 508679)]