639442188

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 360

約数和(自身を含む): 2230550784

約数和(自身を除く): 1591108596

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 27, 28, 33, 36, 38, 42, 44, 54, 57, 63, 66, 71, 76, 77, 81, 84, 99, 108, 114, 126, 132, 133, 142, 154, 162, 171, 189, 198, 209, 213, 228, 231, 252, 266, 284, 297, 308, 324, 342, 361, 378, 396, 399, 418, 426, 462, 497, 513, 532, 567, 594, 627, 639, 684, 693, 722, 756, 781, 798, 836, 852, 891, 924, 994, 1026, 1083, 1134, 1188, 1197, 1254, 1278, 1349, 1386, 1444, 1463, 1491, 1539, 1562, 1596, 1782, 1881, 1917, 1988, 2052, 2079, 2166, 2268, 2343, 2394, 2508, 2527, 2556, 2698, 2772, 2926, 2982, 3078, 3124, 3249, 3564, 3591, 3762, 3834, 3971, 4047, 4158, 4332, 4389, 4473, 4686, 4788, 5054, 5396, 5467, 5643, 5751, 5852, 5964, 6156, 6237, 6498, 7029, 7182, 7524, 7581, 7668, 7942, 8094, 8316, 8778, 8946, 9372, 9443, 9747, 10108, 10773, 10934, 11286, 11502, 11913, 12141, 12474, 12996, 13167, 13419, 14058, 14364, 14839, 15162, 15884, 16188, 16401, 16929, 17556, 17892, 18886, 19494, 21087, 21546, 21868, 22572, 22743, 23004, 23826, 24282, 24948, 25631, 26334, 26838, 27797, 28116, 28329, 29241, 29678, 30324, 32802, 33858, 35739, 36423, 37772, 38988, 39501, 40257, 42174, 43092, 44517, 45486, 47652, 48564, 49203, 51262, 52668, 53676, 55594, 56658, 58482, 59356, 63261, 65604, 67716, 68229, 71478, 72846, 76893, 79002, 80514, 83391, 84348, 84987, 89034, 90972, 98406, 102524, 103873, 107217, 109269, 111188, 113316, 116964, 118503, 126522, 133551, 136458, 142956, 145692, 147609, 153786, 158004, 161028, 166782, 169974, 178068, 179417, 196812, 204687, 207746, 214434, 218538, 230679, 237006, 250173, 253044, 254961, 267102, 272916, 281941, 295218, 307572, 311619, 321651, 333564, 339948, 358834, 400653, 409374, 415492, 428868, 437076, 442827, 461358, 474012, 500346, 509922, 534204, 538251, 563882, 590436, 623238, 643302, 692037, 717668, 750519, 764883, 801306, 818748, 845823, 885654, 922716, 934857, 1000692, 1019844, 1076502, 1127764, 1201959, 1246476, 1286604, 1384074, 1501038, 1529766, 1602612, 1614753, 1691646, 1771308, 1869714, 1973587, 2076111, 2153004, 2251557, 2403918, 2537469, 2768148, 2804571, 3002076, 3059532, 3229506, 3383292, 3739428, 3947174, 4152222, 4503114, 4807836, 4844259, 5074938, 5609142, 5920761, 6459012, 7612407, 7894348, 8304444, 8413713, 9006228, 9688518, 10149876, 11218284, 11841522, 14532777, 15224814, 16827426, 17762283, 19377036, 22837221, 23683044, 29065554, 30449628, 33654852, 35524566, 45674442, 53286849, 58131108, 71049132, 91348884, 106573698, 159860547, 213147396, 319721094, 639442188]

約数ペア:

[(1, 639442188), (2, 319721094), (3, 213147396), (4, 159860547), (6, 106573698), (7, 91348884), (9, 71049132), (11, 58131108), (12, 53286849), (14, 45674442), (18, 35524566), (19, 33654852), (21, 30449628), (22, 29065554), (27, 23683044), (28, 22837221), (33, 19377036), (36, 17762283), (38, 16827426), (42, 15224814), (44, 14532777), (54, 11841522), (57, 11218284), (63, 10149876), (66, 9688518), (71, 9006228), (76, 8413713), (77, 8304444), (81, 7894348), (84, 7612407), (99, 6459012), (108, 5920761), (114, 5609142), (126, 5074938), (132, 4844259), (133, 4807836), (142, 4503114), (154, 4152222), (162, 3947174), (171, 3739428), (189, 3383292), (198, 3229506), (209, 3059532), (213, 3002076), (228, 2804571), (231, 2768148), (252, 2537469), (266, 2403918), (284, 2251557), (297, 2153004), (308, 2076111), (324, 1973587), (342, 1869714), (361, 1771308), (378, 1691646), (396, 1614753), (399, 1602612), (418, 1529766), (426, 1501038), (462, 1384074), (497, 1286604), (513, 1246476), (532, 1201959), (567, 1127764), (594, 1076502), (627, 1019844), (639, 1000692), (684, 934857), (693, 922716), (722, 885654), (756, 845823), (781, 818748), (798, 801306), (836, 764883), (852, 750519), (891, 717668), (924, 692037), (994, 643302), (1026, 623238), (1083, 590436), (1134, 563882), (1188, 538251), (1197, 534204), (1254, 509922), (1278, 500346), (1349, 474012), (1386, 461358), (1444, 442827), (1463, 437076), (1491, 428868), (1539, 415492), (1562, 409374), (1596, 400653), (1782, 358834), (1881, 339948), (1917, 333564), (1988, 321651), (2052, 311619), (2079, 307572), (2166, 295218), (2268, 281941), (2343, 272916), (2394, 267102), (2508, 254961), (2527, 253044), (2556, 250173), (2698, 237006), (2772, 230679), (2926, 218538), (2982, 214434), (3078, 207746), (3124, 204687), (3249, 196812), (3564, 179417), (3591, 178068), (3762, 169974), (3834, 166782), (3971, 161028), (4047, 158004), (4158, 153786), (4332, 147609), (4389, 145692), (4473, 142956), (4686, 136458), (4788, 133551), (5054, 126522), (5396, 118503), (5467, 116964), (5643, 113316), (5751, 111188), (5852, 109269), (5964, 107217), (6156, 103873), (6237, 102524), (6498, 98406), (7029, 90972), (7182, 89034), (7524, 84987), (7581, 84348), (7668, 83391), (7942, 80514), (8094, 79002), (8316, 76893), (8778, 72846), (8946, 71478), (9372, 68229), (9443, 67716), (9747, 65604), (10108, 63261), (10773, 59356), (10934, 58482), (11286, 56658), (11502, 55594), (11913, 53676), (12141, 52668), (12474, 51262), (12996, 49203), (13167, 48564), (13419, 47652), (14058, 45486), (14364, 44517), (14839, 43092), (15162, 42174), (15884, 40257), (16188, 39501), (16401, 38988), (16929, 37772), (17556, 36423), (17892, 35739), (18886, 33858), (19494, 32802), (21087, 30324), (21546, 29678), (21868, 29241), (22572, 28329), (22743, 28116), (23004, 27797), (23826, 26838), (24282, 26334), (24948, 25631)]