1998431568

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:451

約数の個数: 320

約数和(自身を含む): 6880273920

約数和(自身を除く): 4881842352

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 37, 42, 48, 53, 54, 56, 63, 72, 74, 84, 106, 108, 111, 112, 126, 144, 148, 159, 168, 189, 212, 216, 222, 252, 259, 296, 318, 333, 336, 337, 371, 378, 424, 432, 444, 477, 504, 518, 592, 636, 666, 674, 742, 756, 777, 848, 888, 954, 999, 1008, 1011, 1036, 1113, 1272, 1332, 1348, 1431, 1484, 1512, 1554, 1776, 1908, 1961, 1998, 2022, 2072, 2226, 2331, 2359, 2544, 2664, 2696, 2862, 2968, 3024, 3033, 3108, 3339, 3816, 3922, 3996, 4044, 4144, 4452, 4662, 4718, 5328, 5392, 5724, 5883, 5936, 6066, 6216, 6678, 6993, 7077, 7632, 7844, 7992, 8088, 8904, 9099, 9324, 9436, 10017, 11448, 11766, 12132, 12432, 12469, 13356, 13727, 13986, 14154, 15688, 15984, 16176, 17649, 17808, 17861, 18198, 18648, 18872, 20034, 21231, 22896, 23532, 24264, 24938, 26712, 27454, 27972, 28308, 31376, 35298, 35722, 36396, 37296, 37407, 37744, 40068, 41181, 42462, 47064, 48528, 49876, 52947, 53424, 53583, 54908, 55944, 56616, 63693, 70596, 71444, 72792, 74814, 80136, 82362, 84924, 87283, 94128, 99752, 105894, 107166, 109816, 111888, 112221, 113232, 123543, 125027, 127386, 141192, 142888, 145584, 149628, 160272, 160749, 164724, 169848, 174566, 199504, 211788, 214332, 219632, 224442, 247086, 250054, 254772, 261849, 282384, 285776, 299256, 321498, 329448, 336663, 339696, 349132, 370629, 375081, 423576, 428664, 448884, 482247, 494172, 500108, 509544, 523698, 598512, 642996, 658896, 660857, 673326, 698264, 741258, 750162, 785547, 847152, 857328, 897768, 964494, 988344, 1000216, 1019088, 1047396, 1125243, 1285992, 1321714, 1346652, 1396528, 1482516, 1500324, 1571094, 1795536, 1928988, 1976688, 1982571, 2000432, 2094792, 2250486, 2356641, 2571984, 2643428, 2693304, 2965032, 3000648, 3142188, 3375729, 3857976, 3965142, 4189584, 4500972, 4625999, 4713282, 5286856, 5386608, 5930064, 5947713, 6001296, 6284376, 6751458, 7715952, 7930284, 9001944, 9251998, 9426564, 10573712, 11895426, 12568752, 13502916, 13877997, 15860568, 17843139, 18003888, 18503996, 18853128, 23790852, 27005832, 27755994, 31721136, 35686278, 37007992, 37706256, 41633991, 47581704, 54011664, 55511988, 71372556, 74015984, 83267982, 95163408, 111023976, 124901973, 142745112, 166535964, 222047952, 249803946, 285490224, 333071928, 499607892, 666143856, 999215784, 1998431568]

約数ペア:

[(1, 1998431568), (2, 999215784), (3, 666143856), (4, 499607892), (6, 333071928), (7, 285490224), (8, 249803946), (9, 222047952), (12, 166535964), (14, 142745112), (16, 124901973), (18, 111023976), (21, 95163408), (24, 83267982), (27, 74015984), (28, 71372556), (36, 55511988), (37, 54011664), (42, 47581704), (48, 41633991), (53, 37706256), (54, 37007992), (56, 35686278), (63, 31721136), (72, 27755994), (74, 27005832), (84, 23790852), (106, 18853128), (108, 18503996), (111, 18003888), (112, 17843139), (126, 15860568), (144, 13877997), (148, 13502916), (159, 12568752), (168, 11895426), (189, 10573712), (212, 9426564), (216, 9251998), (222, 9001944), (252, 7930284), (259, 7715952), (296, 6751458), (318, 6284376), (333, 6001296), (336, 5947713), (337, 5930064), (371, 5386608), (378, 5286856), (424, 4713282), (432, 4625999), (444, 4500972), (477, 4189584), (504, 3965142), (518, 3857976), (592, 3375729), (636, 3142188), (666, 3000648), (674, 2965032), (742, 2693304), (756, 2643428), (777, 2571984), (848, 2356641), (888, 2250486), (954, 2094792), (999, 2000432), (1008, 1982571), (1011, 1976688), (1036, 1928988), (1113, 1795536), (1272, 1571094), (1332, 1500324), (1348, 1482516), (1431, 1396528), (1484, 1346652), (1512, 1321714), (1554, 1285992), (1776, 1125243), (1908, 1047396), (1961, 1019088), (1998, 1000216), (2022, 988344), (2072, 964494), (2226, 897768), (2331, 857328), (2359, 847152), (2544, 785547), (2664, 750162), (2696, 741258), (2862, 698264), (2968, 673326), (3024, 660857), (3033, 658896), (3108, 642996), (3339, 598512), (3816, 523698), (3922, 509544), (3996, 500108), (4044, 494172), (4144, 482247), (4452, 448884), (4662, 428664), (4718, 423576), (5328, 375081), (5392, 370629), (5724, 349132), (5883, 339696), (5936, 336663), (6066, 329448), (6216, 321498), (6678, 299256), (6993, 285776), (7077, 282384), (7632, 261849), (7844, 254772), (7992, 250054), (8088, 247086), (8904, 224442), (9099, 219632), (9324, 214332), (9436, 211788), (10017, 199504), (11448, 174566), (11766, 169848), (12132, 164724), (12432, 160749), (12469, 160272), (13356, 149628), (13727, 145584), (13986, 142888), (14154, 141192), (15688, 127386), (15984, 125027), (16176, 123543), (17649, 113232), (17808, 112221), (17861, 111888), (18198, 109816), (18648, 107166), (18872, 105894), (20034, 99752), (21231, 94128), (22896, 87283), (23532, 84924), (24264, 82362), (24938, 80136), (26712, 74814), (27454, 72792), (27972, 71444), (28308, 70596), (31376, 63693), (35298, 56616), (35722, 55944), (36396, 54908), (37296, 53583), (37407, 53424), (37744, 52947), (40068, 49876), (41181, 48528), (42462, 47064)]