204212988

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:726

約数の個数: 180

約数和(自身を含む): 654663240

約数和(自身を除く): 450450252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 49, 54, 57, 63, 76, 81, 84, 98, 108, 114, 126, 133, 147, 162, 171, 189, 196, 228, 252, 266, 294, 324, 342, 378, 399, 441, 513, 532, 567, 588, 677, 684, 756, 798, 882, 931, 1026, 1134, 1197, 1323, 1354, 1539, 1596, 1764, 1862, 2031, 2052, 2268, 2394, 2646, 2708, 2793, 3078, 3591, 3724, 3969, 4062, 4739, 4788, 5292, 5586, 6093, 6156, 7182, 7938, 8124, 8379, 9478, 10773, 11172, 12186, 12863, 14217, 14364, 15876, 16758, 18279, 18956, 21546, 24372, 25137, 25726, 28434, 33173, 33516, 36558, 38589, 42651, 43092, 50274, 51452, 54837, 56868, 66346, 73116, 75411, 77178, 85302, 90041, 99519, 100548, 109674, 115767, 127953, 132692, 150822, 154356, 170604, 180082, 199038, 219348, 231534, 255906, 270123, 298557, 301644, 347301, 360164, 383859, 398076, 463068, 511812, 540246, 597114, 630287, 694602, 767718, 810369, 895671, 1041903, 1080492, 1194228, 1260574, 1389204, 1535436, 1620738, 1791342, 1890861, 2083806, 2431107, 2521148, 2687013, 3241476, 3582684, 3781722, 4167612, 4862214, 5374026, 5672583, 7293321, 7563444, 9724428, 10748052, 11345166, 14586642, 17017749, 22690332, 29173284, 34035498, 51053247, 68070996, 102106494, 204212988]

約数ペア:

[(1, 204212988), (2, 102106494), (3, 68070996), (4, 51053247), (6, 34035498), (7, 29173284), (9, 22690332), (12, 17017749), (14, 14586642), (18, 11345166), (19, 10748052), (21, 9724428), (27, 7563444), (28, 7293321), (36, 5672583), (38, 5374026), (42, 4862214), (49, 4167612), (54, 3781722), (57, 3582684), (63, 3241476), (76, 2687013), (81, 2521148), (84, 2431107), (98, 2083806), (108, 1890861), (114, 1791342), (126, 1620738), (133, 1535436), (147, 1389204), (162, 1260574), (171, 1194228), (189, 1080492), (196, 1041903), (228, 895671), (252, 810369), (266, 767718), (294, 694602), (324, 630287), (342, 597114), (378, 540246), (399, 511812), (441, 463068), (513, 398076), (532, 383859), (567, 360164), (588, 347301), (677, 301644), (684, 298557), (756, 270123), (798, 255906), (882, 231534), (931, 219348), (1026, 199038), (1134, 180082), (1197, 170604), (1323, 154356), (1354, 150822), (1539, 132692), (1596, 127953), (1764, 115767), (1862, 109674), (2031, 100548), (2052, 99519), (2268, 90041), (2394, 85302), (2646, 77178), (2708, 75411), (2793, 73116), (3078, 66346), (3591, 56868), (3724, 54837), (3969, 51452), (4062, 50274), (4739, 43092), (4788, 42651), (5292, 38589), (5586, 36558), (6093, 33516), (6156, 33173), (7182, 28434), (7938, 25726), (8124, 25137), (8379, 24372), (9478, 21546), (10773, 18956), (11172, 18279), (12186, 16758), (12863, 15876), (14217, 14364)]