205744195160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1\times {\mathrm{5737}}^1$

素因数の和:6505

約数の個数: 128

約数和(自身を含む): 532251371520

約数和(自身を除く): 326507176360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 487, 526, 974, 1052, 1315, 1841, 1948, 2104, 2435, 2630, 3409, 3682, 3896, 4870, 5260, 5737, 6818, 7364, 9205, 9740, 10520, 11474, 13636, 14728, 17045, 18410, 19480, 22948, 27272, 28685, 34090, 36820, 40159, 45896, 57370, 68180, 73640, 80318, 114740, 128081, 136360, 160636, 200795, 229480, 256162, 321272, 401590, 512324, 640405, 803180, 896567, 1024648, 1280810, 1508831, 1606360, 1793134, 2561620, 2793919, 3017662, 3586268, 4482835, 5123240, 5587838, 6035324, 7172536, 7544155, 8965670, 10561817, 11175676, 12070648, 13969595, 15088310, 17931340, 19557433, 21123634, 22351352, 27939190, 30176620, 35862680, 39114866, 42247268, 52809085, 55878380, 60353240, 78229732, 84494536, 97787165, 105618170, 111756760, 156459464, 195574330, 211236340, 391148660, 422472680, 734800697, 782297320, 1469601394, 2939202788, 3674003485, 5143604879, 5878405576, 7348006970, 10287209758, 14696013940, 20574419516, 25718024395, 29392027880, 41148839032, 51436048790, 102872097580, 205744195160]

約数ペア:

[(1, 205744195160), (2, 102872097580), (4, 51436048790), (5, 41148839032), (7, 29392027880), (8, 25718024395), (10, 20574419516), (14, 14696013940), (20, 10287209758), (28, 7348006970), (35, 5878405576), (40, 5143604879), (56, 3674003485), (70, 2939202788), (140, 1469601394), (263, 782297320), (280, 734800697), (487, 422472680), (526, 391148660), (974, 211236340), (1052, 195574330), (1315, 156459464), (1841, 111756760), (1948, 105618170), (2104, 97787165), (2435, 84494536), (2630, 78229732), (3409, 60353240), (3682, 55878380), (3896, 52809085), (4870, 42247268), (5260, 39114866), (5737, 35862680), (6818, 30176620), (7364, 27939190), (9205, 22351352), (9740, 21123634), (10520, 19557433), (11474, 17931340), (13636, 15088310), (14728, 13969595), (17045, 12070648), (18410, 11175676), (19480, 10561817), (22948, 8965670), (27272, 7544155), (28685, 7172536), (34090, 6035324), (36820, 5587838), (40159, 5123240), (45896, 4482835), (57370, 3586268), (68180, 3017662), (73640, 2793919), (80318, 2561620), (114740, 1793134), (128081, 1606360), (136360, 1508831), (160636, 1280810), (200795, 1024648), (229480, 896567), (256162, 803180), (321272, 640405), (401590, 512324)]