209770260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 192

約数和(自身を含む): 716513280

約数和(自身を除く): 506743020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 97, 105, 114, 133, 140, 190, 194, 210, 228, 266, 271, 285, 291, 380, 388, 399, 420, 485, 532, 542, 570, 582, 665, 679, 798, 813, 970, 1084, 1140, 1164, 1330, 1355, 1358, 1455, 1596, 1626, 1843, 1897, 1940, 1995, 2037, 2660, 2710, 2716, 2910, 3252, 3395, 3686, 3794, 3990, 4065, 4074, 5149, 5420, 5529, 5691, 5820, 6790, 7372, 7588, 7980, 8130, 8148, 9215, 9485, 10185, 10298, 11058, 11382, 12901, 13580, 15447, 16260, 18430, 18970, 20370, 20596, 22116, 22764, 25745, 25802, 26287, 27645, 28455, 30894, 36043, 36860, 37940, 38703, 40740, 51490, 51604, 52574, 55290, 56910, 61788, 64505, 72086, 77235, 77406, 78861, 102980, 105148, 108129, 110580, 113820, 129010, 131435, 144172, 154470, 154812, 157722, 180215, 184009, 193515, 216258, 258020, 262870, 308940, 315444, 360430, 368018, 387030, 394305, 432516, 499453, 525740, 540645, 552027, 720860, 736036, 774060, 788610, 920045, 998906, 1081290, 1104054, 1498359, 1577220, 1840090, 1997812, 2162580, 2208108, 2497265, 2760135, 2996718, 3496171, 3680180, 4994530, 5520270, 5993436, 6992342, 7491795, 9989060, 10488513, 11040540, 13984684, 14983590, 17480855, 20977026, 29967180, 34961710, 41954052, 52442565, 69923420, 104885130, 209770260]

約数ペア:

[(1, 209770260), (2, 104885130), (3, 69923420), (4, 52442565), (5, 41954052), (6, 34961710), (7, 29967180), (10, 20977026), (12, 17480855), (14, 14983590), (15, 13984684), (19, 11040540), (20, 10488513), (21, 9989060), (28, 7491795), (30, 6992342), (35, 5993436), (38, 5520270), (42, 4994530), (57, 3680180), (60, 3496171), (70, 2996718), (76, 2760135), (84, 2497265), (95, 2208108), (97, 2162580), (105, 1997812), (114, 1840090), (133, 1577220), (140, 1498359), (190, 1104054), (194, 1081290), (210, 998906), (228, 920045), (266, 788610), (271, 774060), (285, 736036), (291, 720860), (380, 552027), (388, 540645), (399, 525740), (420, 499453), (485, 432516), (532, 394305), (542, 387030), (570, 368018), (582, 360430), (665, 315444), (679, 308940), (798, 262870), (813, 258020), (970, 216258), (1084, 193515), (1140, 184009), (1164, 180215), (1330, 157722), (1355, 154812), (1358, 154470), (1455, 144172), (1596, 131435), (1626, 129010), (1843, 113820), (1897, 110580), (1940, 108129), (1995, 105148), (2037, 102980), (2660, 78861), (2710, 77406), (2716, 77235), (2910, 72086), (3252, 64505), (3395, 61788), (3686, 56910), (3794, 55290), (3990, 52574), (4065, 51604), (4074, 51490), (5149, 40740), (5420, 38703), (5529, 37940), (5691, 36860), (5820, 36043), (6790, 30894), (7372, 28455), (7588, 27645), (7980, 26287), (8130, 25802), (8148, 25745), (9215, 22764), (9485, 22116), (10185, 20596), (10298, 20370), (11058, 18970), (11382, 18430), (12901, 16260), (13580, 15447)]