1998872568

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:563

約数の個数: 288

約数和(自身を含む): 6909084000

約数和(自身を除く): 4910211432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 56, 63, 66, 72, 73, 77, 84, 88, 99, 121, 126, 132, 146, 154, 168, 198, 219, 231, 242, 252, 264, 292, 308, 363, 396, 438, 449, 462, 484, 504, 511, 584, 616, 657, 693, 726, 792, 803, 847, 876, 898, 924, 968, 1022, 1089, 1314, 1347, 1386, 1452, 1533, 1606, 1694, 1752, 1796, 1848, 2044, 2178, 2409, 2541, 2628, 2694, 2772, 2904, 3066, 3143, 3212, 3388, 3592, 4041, 4088, 4356, 4599, 4818, 4939, 5082, 5256, 5388, 5544, 5621, 6132, 6286, 6424, 6776, 7227, 7623, 8082, 8712, 8833, 9198, 9429, 9636, 9878, 10164, 10776, 11242, 12264, 12572, 14454, 14817, 15246, 16164, 16863, 17666, 18396, 18858, 19272, 19756, 20328, 22484, 25144, 26499, 28287, 28908, 29634, 30492, 32328, 32777, 33726, 34573, 35332, 36792, 37716, 39512, 44451, 44968, 50589, 52998, 54329, 56574, 57816, 59268, 60984, 61831, 65554, 67452, 69146, 70664, 75432, 79497, 88902, 98331, 101178, 103719, 105996, 108658, 113148, 118536, 123662, 131108, 134904, 138292, 158994, 162987, 177804, 185493, 196662, 202356, 207438, 211992, 217316, 226296, 229439, 247324, 262216, 276584, 294993, 311157, 317988, 325974, 355608, 360547, 370986, 380303, 393324, 404712, 414876, 434632, 458878, 488961, 494648, 556479, 589986, 622314, 635976, 651948, 688317, 721094, 741972, 760606, 786648, 829752, 917756, 977922, 1081641, 1112958, 1140909, 1179972, 1244628, 1303896, 1376634, 1442188, 1483944, 1521212, 1835512, 1955844, 2064951, 2163282, 2225916, 2281818, 2359944, 2489256, 2523829, 2753268, 2884376, 3042424, 3244923, 3422727, 3911688, 3966017, 4129902, 4326564, 4451832, 4563636, 5047658, 5506536, 6489846, 6845454, 7571487, 7932034, 8259804, 8653128, 9127272, 10095316, 11898051, 12979692, 13690908, 15142974, 15864068, 16519608, 20190632, 22714461, 23796102, 25959384, 27381816, 27762119, 30285948, 31728136, 35694153, 45428922, 47592204, 55524238, 60571896, 71388306, 83286357, 90857844, 95184408, 111048476, 142776612, 166572714, 181715688, 222096952, 249859071, 285553224, 333145428, 499718142, 666290856, 999436284, 1998872568]

約数ペア:

[(1, 1998872568), (2, 999436284), (3, 666290856), (4, 499718142), (6, 333145428), (7, 285553224), (8, 249859071), (9, 222096952), (11, 181715688), (12, 166572714), (14, 142776612), (18, 111048476), (21, 95184408), (22, 90857844), (24, 83286357), (28, 71388306), (33, 60571896), (36, 55524238), (42, 47592204), (44, 45428922), (56, 35694153), (63, 31728136), (66, 30285948), (72, 27762119), (73, 27381816), (77, 25959384), (84, 23796102), (88, 22714461), (99, 20190632), (121, 16519608), (126, 15864068), (132, 15142974), (146, 13690908), (154, 12979692), (168, 11898051), (198, 10095316), (219, 9127272), (231, 8653128), (242, 8259804), (252, 7932034), (264, 7571487), (292, 6845454), (308, 6489846), (363, 5506536), (396, 5047658), (438, 4563636), (449, 4451832), (462, 4326564), (484, 4129902), (504, 3966017), (511, 3911688), (584, 3422727), (616, 3244923), (657, 3042424), (693, 2884376), (726, 2753268), (792, 2523829), (803, 2489256), (847, 2359944), (876, 2281818), (898, 2225916), (924, 2163282), (968, 2064951), (1022, 1955844), (1089, 1835512), (1314, 1521212), (1347, 1483944), (1386, 1442188), (1452, 1376634), (1533, 1303896), (1606, 1244628), (1694, 1179972), (1752, 1140909), (1796, 1112958), (1848, 1081641), (2044, 977922), (2178, 917756), (2409, 829752), (2541, 786648), (2628, 760606), (2694, 741972), (2772, 721094), (2904, 688317), (3066, 651948), (3143, 635976), (3212, 622314), (3388, 589986), (3592, 556479), (4041, 494648), (4088, 488961), (4356, 458878), (4599, 434632), (4818, 414876), (4939, 404712), (5082, 393324), (5256, 380303), (5388, 370986), (5544, 360547), (5621, 355608), (6132, 325974), (6286, 317988), (6424, 311157), (6776, 294993), (7227, 276584), (7623, 262216), (8082, 247324), (8712, 229439), (8833, 226296), (9198, 217316), (9429, 211992), (9636, 207438), (9878, 202356), (10164, 196662), (10776, 185493), (11242, 177804), (12264, 162987), (12572, 158994), (14454, 138292), (14817, 134904), (15246, 131108), (16164, 123662), (16863, 118536), (17666, 113148), (18396, 108658), (18858, 105996), (19272, 103719), (19756, 101178), (20328, 98331), (22484, 88902), (25144, 79497), (26499, 75432), (28287, 70664), (28908, 69146), (29634, 67452), (30492, 65554), (32328, 61831), (32777, 60984), (33726, 59268), (34573, 57816), (35332, 56574), (36792, 54329), (37716, 52998), (39512, 50589), (44451, 44968)]