205801960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 192

約数和(自身を含む): 597255120

約数和(自身を除く): 391453160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 49, 52, 56, 65, 70, 82, 91, 98, 104, 130, 140, 164, 182, 196, 197, 205, 245, 260, 280, 287, 328, 364, 392, 394, 410, 455, 490, 520, 533, 574, 637, 728, 788, 820, 910, 980, 985, 1066, 1148, 1274, 1379, 1435, 1576, 1640, 1820, 1960, 1970, 2009, 2132, 2296, 2548, 2561, 2665, 2758, 2870, 3185, 3640, 3731, 3940, 4018, 4264, 5096, 5122, 5330, 5516, 5740, 6370, 6895, 7462, 7880, 8036, 8077, 9653, 10045, 10244, 10660, 11032, 11480, 12740, 12805, 13790, 14924, 16072, 16154, 17927, 18655, 19306, 20090, 20488, 21320, 25480, 25610, 26117, 27580, 29848, 32308, 35854, 37310, 38612, 40180, 40385, 48265, 51220, 52234, 55160, 56539, 64616, 71708, 74620, 77224, 80360, 80770, 89635, 96530, 102440, 104468, 105001, 113078, 125489, 130585, 143416, 149240, 161540, 179270, 193060, 208936, 210002, 226156, 250978, 261170, 282695, 323080, 358540, 386120, 395773, 420004, 452312, 501956, 522340, 525005, 565390, 627445, 717080, 735007, 791546, 840008, 1003912, 1044680, 1050010, 1130780, 1254890, 1470014, 1583092, 1978865, 2100020, 2261560, 2509780, 2940028, 3166184, 3675035, 3957730, 4200040, 5019560, 5145049, 5880056, 7350070, 7915460, 10290098, 14700140, 15830920, 20580196, 25725245, 29400280, 41160392, 51450490, 102900980, 205801960]

約数ペア:

[(1, 205801960), (2, 102900980), (4, 51450490), (5, 41160392), (7, 29400280), (8, 25725245), (10, 20580196), (13, 15830920), (14, 14700140), (20, 10290098), (26, 7915460), (28, 7350070), (35, 5880056), (40, 5145049), (41, 5019560), (49, 4200040), (52, 3957730), (56, 3675035), (65, 3166184), (70, 2940028), (82, 2509780), (91, 2261560), (98, 2100020), (104, 1978865), (130, 1583092), (140, 1470014), (164, 1254890), (182, 1130780), (196, 1050010), (197, 1044680), (205, 1003912), (245, 840008), (260, 791546), (280, 735007), (287, 717080), (328, 627445), (364, 565390), (392, 525005), (394, 522340), (410, 501956), (455, 452312), (490, 420004), (520, 395773), (533, 386120), (574, 358540), (637, 323080), (728, 282695), (788, 261170), (820, 250978), (910, 226156), (980, 210002), (985, 208936), (1066, 193060), (1148, 179270), (1274, 161540), (1379, 149240), (1435, 143416), (1576, 130585), (1640, 125489), (1820, 113078), (1960, 105001), (1970, 104468), (2009, 102440), (2132, 96530), (2296, 89635), (2548, 80770), (2561, 80360), (2665, 77224), (2758, 74620), (2870, 71708), (3185, 64616), (3640, 56539), (3731, 55160), (3940, 52234), (4018, 51220), (4264, 48265), (5096, 40385), (5122, 40180), (5330, 38612), (5516, 37310), (5740, 35854), (6370, 32308), (6895, 29848), (7462, 27580), (7880, 26117), (8036, 25610), (8077, 25480), (9653, 21320), (10045, 20488), (10244, 20090), (10660, 19306), (11032, 18655), (11480, 17927), (12740, 16154), (12805, 16072), (13790, 14924)]