1998943488

素因数分解:

$2^8\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:566

約数の個数: 288

約数和(自身を含む): 6436147200

約数和(自身を除く): 4437203712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 31, 32, 36, 38, 48, 54, 57, 62, 64, 72, 76, 93, 96, 108, 114, 124, 128, 144, 152, 171, 186, 192, 216, 228, 248, 256, 279, 288, 304, 342, 372, 384, 432, 456, 491, 496, 513, 558, 576, 589, 608, 684, 744, 768, 837, 864, 912, 982, 992, 1026, 1116, 1152, 1178, 1216, 1368, 1473, 1488, 1674, 1728, 1767, 1824, 1964, 1984, 2052, 2232, 2304, 2356, 2432, 2736, 2946, 2976, 3348, 3456, 3534, 3648, 3928, 3968, 4104, 4419, 4464, 4712, 4864, 5301, 5472, 5892, 5952, 6696, 6912, 7068, 7296, 7856, 7936, 8208, 8838, 8928, 9329, 9424, 10602, 10944, 11784, 11904, 13257, 13392, 14136, 14592, 15221, 15712, 15903, 16416, 17676, 17856, 18658, 18848, 21204, 21888, 23568, 23808, 26514, 26784, 27987, 28272, 30442, 31424, 31806, 32832, 35352, 35712, 37316, 37696, 42408, 43776, 45663, 47136, 53028, 53568, 55974, 56544, 60884, 62848, 63612, 65664, 70704, 71424, 74632, 75392, 83961, 84816, 91326, 94272, 106056, 107136, 111948, 113088, 121768, 125696, 127224, 131328, 136989, 141408, 149264, 150784, 167922, 169632, 182652, 188544, 212112, 214272, 223896, 226176, 243536, 251883, 254448, 273978, 282816, 289199, 298528, 335844, 339264, 365304, 377088, 410967, 424224, 447792, 452352, 487072, 503766, 508896, 547956, 565632, 578398, 597056, 671688, 678528, 730608, 821934, 848448, 867597, 895584, 974144, 1007532, 1017792, 1095912, 1131264, 1156796, 1194112, 1343376, 1357056, 1461216, 1643868, 1696896, 1735194, 1791168, 1948288, 2015064, 2035584, 2191824, 2313592, 2388224, 2602791, 2686752, 2922432, 3287736, 3393792, 3470388, 3582336, 3896576, 4030128, 4071168, 4383648, 4627184, 5205582, 5373504, 5844864, 6575472, 6940776, 7164672, 7808373, 8060256, 8767296, 9254368, 10411164, 10747008, 11689728, 13150944, 13881552, 15616746, 16120512, 17534592, 18508736, 20822328, 21494016, 26301888, 27763104, 31233492, 32241024, 35069184, 37017472, 41644656, 52603776, 55526208, 62466984, 64482048, 74034944, 83289312, 105207552, 111052416, 124933968, 166578624, 222104832, 249867936, 333157248, 499735872, 666314496, 999471744, 1998943488]

約数ペア:

[(1, 1998943488), (2, 999471744), (3, 666314496), (4, 499735872), (6, 333157248), (8, 249867936), (9, 222104832), (12, 166578624), (16, 124933968), (18, 111052416), (19, 105207552), (24, 83289312), (27, 74034944), (31, 64482048), (32, 62466984), (36, 55526208), (38, 52603776), (48, 41644656), (54, 37017472), (57, 35069184), (62, 32241024), (64, 31233492), (72, 27763104), (76, 26301888), (93, 21494016), (96, 20822328), (108, 18508736), (114, 17534592), (124, 16120512), (128, 15616746), (144, 13881552), (152, 13150944), (171, 11689728), (186, 10747008), (192, 10411164), (216, 9254368), (228, 8767296), (248, 8060256), (256, 7808373), (279, 7164672), (288, 6940776), (304, 6575472), (342, 5844864), (372, 5373504), (384, 5205582), (432, 4627184), (456, 4383648), (491, 4071168), (496, 4030128), (513, 3896576), (558, 3582336), (576, 3470388), (589, 3393792), (608, 3287736), (684, 2922432), (744, 2686752), (768, 2602791), (837, 2388224), (864, 2313592), (912, 2191824), (982, 2035584), (992, 2015064), (1026, 1948288), (1116, 1791168), (1152, 1735194), (1178, 1696896), (1216, 1643868), (1368, 1461216), (1473, 1357056), (1488, 1343376), (1674, 1194112), (1728, 1156796), (1767, 1131264), (1824, 1095912), (1964, 1017792), (1984, 1007532), (2052, 974144), (2232, 895584), (2304, 867597), (2356, 848448), (2432, 821934), (2736, 730608), (2946, 678528), (2976, 671688), (3348, 597056), (3456, 578398), (3534, 565632), (3648, 547956), (3928, 508896), (3968, 503766), (4104, 487072), (4419, 452352), (4464, 447792), (4712, 424224), (4864, 410967), (5301, 377088), (5472, 365304), (5892, 339264), (5952, 335844), (6696, 298528), (6912, 289199), (7068, 282816), (7296, 273978), (7856, 254448), (7936, 251883), (8208, 243536), (8838, 226176), (8928, 223896), (9329, 214272), (9424, 212112), (10602, 188544), (10944, 182652), (11784, 169632), (11904, 167922), (13257, 150784), (13392, 149264), (14136, 141408), (14592, 136989), (15221, 131328), (15712, 127224), (15903, 125696), (16416, 121768), (17676, 113088), (17856, 111948), (18658, 107136), (18848, 106056), (21204, 94272), (21888, 91326), (23568, 84816), (23808, 83961), (26514, 75392), (26784, 74632), (27987, 71424), (28272, 70704), (30442, 65664), (31424, 63612), (31806, 62848), (32832, 60884), (35352, 56544), (35712, 55974), (37316, 53568), (37696, 53028), (42408, 47136), (43776, 45663)]