208520676

素因数分解:

$2^2\times 3^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:480

約数の個数: 192

約数和(自身を含む): 680512000

約数和(自身を除く): 471991324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 84, 91, 98, 108, 117, 126, 147, 156, 182, 189, 196, 234, 252, 273, 294, 343, 351, 364, 378, 433, 441, 468, 546, 588, 637, 686, 702, 756, 819, 866, 882, 1029, 1092, 1274, 1299, 1323, 1372, 1404, 1638, 1732, 1764, 1911, 2058, 2457, 2548, 2598, 2646, 3031, 3087, 3276, 3822, 3897, 4116, 4459, 4914, 5196, 5292, 5629, 5733, 6062, 6174, 7644, 7794, 8918, 9093, 9261, 9828, 11258, 11466, 11691, 12124, 12348, 13377, 15588, 16887, 17199, 17836, 18186, 18522, 21217, 22516, 22932, 23382, 26754, 27279, 33774, 34398, 36372, 37044, 39403, 40131, 42434, 46764, 50661, 53508, 54558, 63651, 67548, 68796, 78806, 80262, 81837, 84868, 101322, 109116, 118209, 120393, 127302, 148519, 151983, 157612, 160524, 163674, 190953, 202644, 236418, 240786, 254604, 275821, 297038, 303966, 327348, 354627, 381906, 445557, 472836, 481572, 551642, 572859, 594076, 607932, 709254, 763812, 827463, 891114, 1063881, 1103284, 1145718, 1336671, 1418508, 1654926, 1782228, 1930747, 2127762, 2291436, 2482389, 2673342, 3309852, 3861494, 4010013, 4255524, 4964778, 5346684, 5792241, 7447167, 7722988, 8020026, 9929556, 11584482, 14894334, 16040052, 17376723, 23168964, 29788668, 34753446, 52130169, 69506892, 104260338, 208520676]

約数ペア:

[(1, 208520676), (2, 104260338), (3, 69506892), (4, 52130169), (6, 34753446), (7, 29788668), (9, 23168964), (12, 17376723), (13, 16040052), (14, 14894334), (18, 11584482), (21, 9929556), (26, 8020026), (27, 7722988), (28, 7447167), (36, 5792241), (39, 5346684), (42, 4964778), (49, 4255524), (52, 4010013), (54, 3861494), (63, 3309852), (78, 2673342), (84, 2482389), (91, 2291436), (98, 2127762), (108, 1930747), (117, 1782228), (126, 1654926), (147, 1418508), (156, 1336671), (182, 1145718), (189, 1103284), (196, 1063881), (234, 891114), (252, 827463), (273, 763812), (294, 709254), (343, 607932), (351, 594076), (364, 572859), (378, 551642), (433, 481572), (441, 472836), (468, 445557), (546, 381906), (588, 354627), (637, 327348), (686, 303966), (702, 297038), (756, 275821), (819, 254604), (866, 240786), (882, 236418), (1029, 202644), (1092, 190953), (1274, 163674), (1299, 160524), (1323, 157612), (1372, 151983), (1404, 148519), (1638, 127302), (1732, 120393), (1764, 118209), (1911, 109116), (2058, 101322), (2457, 84868), (2548, 81837), (2598, 80262), (2646, 78806), (3031, 68796), (3087, 67548), (3276, 63651), (3822, 54558), (3897, 53508), (4116, 50661), (4459, 46764), (4914, 42434), (5196, 40131), (5292, 39403), (5629, 37044), (5733, 36372), (6062, 34398), (6174, 33774), (7644, 27279), (7794, 26754), (8918, 23382), (9093, 22932), (9261, 22516), (9828, 21217), (11258, 18522), (11466, 18186), (11691, 17836), (12124, 17199), (12348, 16887), (13377, 15588)]