209661984

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:292

約数の個数: 216

約数和(自身を含む): 705846960

約数和(自身を除く): 496184976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 83, 84, 96, 98, 112, 126, 144, 147, 166, 168, 179, 196, 224, 249, 252, 288, 294, 332, 336, 358, 392, 441, 498, 504, 537, 581, 588, 664, 672, 716, 747, 784, 882, 996, 1008, 1074, 1162, 1176, 1253, 1328, 1432, 1494, 1568, 1611, 1743, 1764, 1992, 2016, 2148, 2324, 2352, 2506, 2656, 2864, 2988, 3222, 3486, 3528, 3759, 3984, 4067, 4296, 4648, 4704, 5012, 5229, 5728, 5976, 6444, 6972, 7056, 7518, 7968, 8134, 8592, 8771, 9296, 10024, 10458, 11277, 11952, 12201, 12888, 13944, 14112, 14857, 15036, 16268, 17184, 17542, 18592, 20048, 20916, 22554, 23904, 24402, 25776, 26313, 27888, 29714, 30072, 32536, 35084, 36603, 40096, 41832, 44571, 45108, 48804, 51552, 52626, 55776, 59428, 60144, 65072, 70168, 73206, 78939, 83664, 89142, 90216, 97608, 103999, 105252, 118856, 120288, 130144, 133713, 140336, 146412, 157878, 167328, 178284, 180432, 195216, 207998, 210504, 237712, 267426, 280672, 292824, 311997, 315756, 356568, 360864, 390432, 415996, 421008, 475424, 534852, 585648, 623994, 631512, 713136, 727993, 831992, 842016, 935991, 1069704, 1171296, 1247988, 1263024, 1426272, 1455986, 1663984, 1871982, 2139408, 2183979, 2495976, 2526048, 2911972, 3327968, 3743964, 4278816, 4367958, 4991952, 5823944, 6551937, 7487928, 8735916, 9983904, 11647888, 13103874, 14975856, 17471832, 23295776, 26207748, 29951712, 34943664, 52415496, 69887328, 104830992, 209661984]

約数ペア:

[(1, 209661984), (2, 104830992), (3, 69887328), (4, 52415496), (6, 34943664), (7, 29951712), (8, 26207748), (9, 23295776), (12, 17471832), (14, 14975856), (16, 13103874), (18, 11647888), (21, 9983904), (24, 8735916), (28, 7487928), (32, 6551937), (36, 5823944), (42, 4991952), (48, 4367958), (49, 4278816), (56, 3743964), (63, 3327968), (72, 2911972), (83, 2526048), (84, 2495976), (96, 2183979), (98, 2139408), (112, 1871982), (126, 1663984), (144, 1455986), (147, 1426272), (166, 1263024), (168, 1247988), (179, 1171296), (196, 1069704), (224, 935991), (249, 842016), (252, 831992), (288, 727993), (294, 713136), (332, 631512), (336, 623994), (358, 585648), (392, 534852), (441, 475424), (498, 421008), (504, 415996), (537, 390432), (581, 360864), (588, 356568), (664, 315756), (672, 311997), (716, 292824), (747, 280672), (784, 267426), (882, 237712), (996, 210504), (1008, 207998), (1074, 195216), (1162, 180432), (1176, 178284), (1253, 167328), (1328, 157878), (1432, 146412), (1494, 140336), (1568, 133713), (1611, 130144), (1743, 120288), (1764, 118856), (1992, 105252), (2016, 103999), (2148, 97608), (2324, 90216), (2352, 89142), (2506, 83664), (2656, 78939), (2864, 73206), (2988, 70168), (3222, 65072), (3486, 60144), (3528, 59428), (3759, 55776), (3984, 52626), (4067, 51552), (4296, 48804), (4648, 45108), (4704, 44571), (5012, 41832), (5229, 40096), (5728, 36603), (5976, 35084), (6444, 32536), (6972, 30072), (7056, 29714), (7518, 27888), (7968, 26313), (8134, 25776), (8592, 24402), (8771, 23904), (9296, 22554), (10024, 20916), (10458, 20048), (11277, 18592), (11952, 17542), (12201, 17184), (12888, 16268), (13944, 15036), (14112, 14857)]