206505390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1226

約数の個数: 128

約数和(自身を含む): 619637760

約数和(自身を除く): 413132370

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 67, 70, 78, 91, 105, 130, 134, 182, 195, 201, 210, 273, 335, 390, 402, 455, 469, 546, 670, 871, 910, 938, 1005, 1129, 1365, 1407, 1742, 2010, 2258, 2345, 2613, 2730, 2814, 3387, 4355, 4690, 5226, 5645, 6097, 6774, 7035, 7903, 8710, 11290, 12194, 13065, 14070, 14677, 15806, 16935, 18291, 23709, 26130, 29354, 30485, 33870, 36582, 39515, 44031, 47418, 60970, 73385, 75643, 79030, 88062, 91455, 102739, 118545, 146770, 151286, 182910, 205478, 220155, 226929, 237090, 308217, 378215, 440310, 453858, 513695, 529501, 616434, 756430, 983359, 1027390, 1059002, 1134645, 1541085, 1588503, 1966718, 2269290, 2647505, 2950077, 3082170, 3177006, 4916795, 5295010, 5900154, 6883513, 7942515, 9833590, 13767026, 14750385, 15885030, 20650539, 29500770, 34417565, 41301078, 68835130, 103252695, 206505390]

約数ペア:

[(1, 206505390), (2, 103252695), (3, 68835130), (5, 41301078), (6, 34417565), (7, 29500770), (10, 20650539), (13, 15885030), (14, 14750385), (15, 13767026), (21, 9833590), (26, 7942515), (30, 6883513), (35, 5900154), (39, 5295010), (42, 4916795), (65, 3177006), (67, 3082170), (70, 2950077), (78, 2647505), (91, 2269290), (105, 1966718), (130, 1588503), (134, 1541085), (182, 1134645), (195, 1059002), (201, 1027390), (210, 983359), (273, 756430), (335, 616434), (390, 529501), (402, 513695), (455, 453858), (469, 440310), (546, 378215), (670, 308217), (871, 237090), (910, 226929), (938, 220155), (1005, 205478), (1129, 182910), (1365, 151286), (1407, 146770), (1742, 118545), (2010, 102739), (2258, 91455), (2345, 88062), (2613, 79030), (2730, 75643), (2814, 73385), (3387, 60970), (4355, 47418), (4690, 44031), (5226, 39515), (5645, 36582), (6097, 33870), (6774, 30485), (7035, 29354), (7903, 26130), (8710, 23709), (11290, 18291), (12194, 16935), (13065, 15806), (14070, 14677)]