638450208

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 288

約数和(自身を含む): 2123573760

約数和(自身を除く): 1485123552

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 31, 32, 33, 36, 44, 48, 54, 62, 66, 72, 88, 93, 96, 99, 108, 121, 124, 132, 144, 176, 186, 197, 198, 216, 242, 248, 264, 279, 288, 297, 341, 352, 363, 372, 394, 396, 432, 484, 496, 528, 558, 591, 594, 682, 726, 744, 788, 792, 837, 864, 968, 992, 1023, 1056, 1089, 1116, 1182, 1188, 1364, 1452, 1488, 1576, 1584, 1674, 1773, 1936, 2046, 2167, 2178, 2232, 2364, 2376, 2728, 2904, 2976, 3069, 3152, 3168, 3267, 3348, 3546, 3751, 3872, 4092, 4334, 4356, 4464, 4728, 4752, 5319, 5456, 5808, 6107, 6138, 6304, 6501, 6534, 6696, 7092, 7502, 8184, 8668, 8712, 8928, 9207, 9456, 9504, 10638, 10912, 11253, 11616, 12214, 12276, 13002, 13068, 13392, 14184, 15004, 16368, 17336, 17424, 18321, 18414, 18912, 19503, 21276, 22506, 23837, 24428, 24552, 26004, 26136, 26784, 28368, 30008, 32736, 33759, 34672, 34848, 36642, 36828, 39006, 42552, 45012, 47674, 48856, 49104, 52008, 52272, 54963, 56736, 58509, 60016, 67177, 67518, 69344, 71511, 73284, 73656, 78012, 85104, 90024, 95348, 97712, 98208, 101277, 104016, 104544, 109926, 117018, 120032, 134354, 135036, 143022, 146568, 147312, 156024, 164889, 170208, 180048, 190696, 195424, 201531, 202554, 208032, 214533, 219852, 234036, 268708, 270072, 286044, 293136, 294624, 312048, 329778, 360096, 381392, 403062, 405108, 429066, 439704, 468072, 537416, 540144, 572088, 586272, 604593, 624096, 643599, 659556, 738947, 762784, 806124, 810216, 858132, 879408, 936144, 1074832, 1080288, 1144176, 1209186, 1287198, 1319112, 1477894, 1612248, 1620432, 1716264, 1758816, 1813779, 1872288, 2149664, 2216841, 2288352, 2418372, 2574396, 2638224, 2955788, 3224496, 3240864, 3432528, 3627558, 4433682, 4836744, 5148792, 5276448, 5911576, 6448992, 6650523, 6865056, 7255116, 8867364, 9673488, 10297584, 11823152, 13301046, 14510232, 17734728, 19346976, 19951569, 20595168, 23646304, 26602092, 29020464, 35469456, 39903138, 53204184, 58040928, 70938912, 79806276, 106408368, 159612552, 212816736, 319225104, 638450208]

約数ペア:

[(1, 638450208), (2, 319225104), (3, 212816736), (4, 159612552), (6, 106408368), (8, 79806276), (9, 70938912), (11, 58040928), (12, 53204184), (16, 39903138), (18, 35469456), (22, 29020464), (24, 26602092), (27, 23646304), (31, 20595168), (32, 19951569), (33, 19346976), (36, 17734728), (44, 14510232), (48, 13301046), (54, 11823152), (62, 10297584), (66, 9673488), (72, 8867364), (88, 7255116), (93, 6865056), (96, 6650523), (99, 6448992), (108, 5911576), (121, 5276448), (124, 5148792), (132, 4836744), (144, 4433682), (176, 3627558), (186, 3432528), (197, 3240864), (198, 3224496), (216, 2955788), (242, 2638224), (248, 2574396), (264, 2418372), (279, 2288352), (288, 2216841), (297, 2149664), (341, 1872288), (352, 1813779), (363, 1758816), (372, 1716264), (394, 1620432), (396, 1612248), (432, 1477894), (484, 1319112), (496, 1287198), (528, 1209186), (558, 1144176), (591, 1080288), (594, 1074832), (682, 936144), (726, 879408), (744, 858132), (788, 810216), (792, 806124), (837, 762784), (864, 738947), (968, 659556), (992, 643599), (1023, 624096), (1056, 604593), (1089, 586272), (1116, 572088), (1182, 540144), (1188, 537416), (1364, 468072), (1452, 439704), (1488, 429066), (1576, 405108), (1584, 403062), (1674, 381392), (1773, 360096), (1936, 329778), (2046, 312048), (2167, 294624), (2178, 293136), (2232, 286044), (2364, 270072), (2376, 268708), (2728, 234036), (2904, 219852), (2976, 214533), (3069, 208032), (3152, 202554), (3168, 201531), (3267, 195424), (3348, 190696), (3546, 180048), (3751, 170208), (3872, 164889), (4092, 156024), (4334, 147312), (4356, 146568), (4464, 143022), (4728, 135036), (4752, 134354), (5319, 120032), (5456, 117018), (5808, 109926), (6107, 104544), (6138, 104016), (6304, 101277), (6501, 98208), (6534, 97712), (6696, 95348), (7092, 90024), (7502, 85104), (8184, 78012), (8668, 73656), (8712, 73284), (8928, 71511), (9207, 69344), (9456, 67518), (9504, 67177), (10638, 60016), (10912, 58509), (11253, 56736), (11616, 54963), (12214, 52272), (12276, 52008), (13002, 49104), (13068, 48856), (13392, 47674), (14184, 45012), (15004, 42552), (16368, 39006), (17336, 36828), (17424, 36642), (18321, 34848), (18414, 34672), (18912, 33759), (19503, 32736), (21276, 30008), (22506, 28368), (23837, 26784), (24428, 26136), (24552, 26004)]