218298528

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:560

約数の個数: 216

約数和(自身を含む): 746928000

約数和(自身を除く): 528629472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 49, 56, 62, 63, 72, 84, 93, 96, 98, 112, 124, 126, 144, 147, 168, 186, 196, 217, 224, 248, 252, 279, 288, 294, 336, 372, 392, 434, 441, 496, 499, 504, 558, 588, 651, 672, 744, 784, 868, 882, 992, 998, 1008, 1116, 1176, 1302, 1488, 1497, 1519, 1568, 1736, 1764, 1953, 1996, 2016, 2232, 2352, 2604, 2976, 2994, 3038, 3472, 3493, 3528, 3906, 3992, 4464, 4491, 4557, 4704, 5208, 5988, 6076, 6944, 6986, 7056, 7812, 7984, 8928, 8982, 9114, 10416, 10479, 11976, 12152, 13671, 13972, 14112, 15469, 15624, 15968, 17964, 18228, 20832, 20958, 23952, 24304, 24451, 27342, 27944, 30938, 31248, 31437, 35928, 36456, 41916, 46407, 47904, 48608, 48902, 54684, 55888, 61876, 62496, 62874, 71856, 72912, 73353, 83832, 92814, 97804, 108283, 109368, 111776, 123752, 125748, 139221, 143712, 145824, 146706, 167664, 185628, 195608, 216566, 218736, 220059, 247504, 251496, 278442, 293412, 324849, 335328, 371256, 391216, 433132, 437472, 440118, 495008, 502992, 556884, 586824, 649698, 742512, 757981, 782432, 866264, 880236, 974547, 1005984, 1113768, 1173648, 1299396, 1485024, 1515962, 1732528, 1760472, 1949094, 2227536, 2273943, 2347296, 2598792, 3031924, 3465056, 3520944, 3898188, 4455072, 4547886, 5197584, 6063848, 6821829, 7041888, 7796376, 9095772, 10395168, 12127696, 13643658, 15592752, 18191544, 24255392, 27287316, 31185504, 36383088, 54574632, 72766176, 109149264, 218298528]

約数ペア:

[(1, 218298528), (2, 109149264), (3, 72766176), (4, 54574632), (6, 36383088), (7, 31185504), (8, 27287316), (9, 24255392), (12, 18191544), (14, 15592752), (16, 13643658), (18, 12127696), (21, 10395168), (24, 9095772), (28, 7796376), (31, 7041888), (32, 6821829), (36, 6063848), (42, 5197584), (48, 4547886), (49, 4455072), (56, 3898188), (62, 3520944), (63, 3465056), (72, 3031924), (84, 2598792), (93, 2347296), (96, 2273943), (98, 2227536), (112, 1949094), (124, 1760472), (126, 1732528), (144, 1515962), (147, 1485024), (168, 1299396), (186, 1173648), (196, 1113768), (217, 1005984), (224, 974547), (248, 880236), (252, 866264), (279, 782432), (288, 757981), (294, 742512), (336, 649698), (372, 586824), (392, 556884), (434, 502992), (441, 495008), (496, 440118), (499, 437472), (504, 433132), (558, 391216), (588, 371256), (651, 335328), (672, 324849), (744, 293412), (784, 278442), (868, 251496), (882, 247504), (992, 220059), (998, 218736), (1008, 216566), (1116, 195608), (1176, 185628), (1302, 167664), (1488, 146706), (1497, 145824), (1519, 143712), (1568, 139221), (1736, 125748), (1764, 123752), (1953, 111776), (1996, 109368), (2016, 108283), (2232, 97804), (2352, 92814), (2604, 83832), (2976, 73353), (2994, 72912), (3038, 71856), (3472, 62874), (3493, 62496), (3528, 61876), (3906, 55888), (3992, 54684), (4464, 48902), (4491, 48608), (4557, 47904), (4704, 46407), (5208, 41916), (5988, 36456), (6076, 35928), (6944, 31437), (6986, 31248), (7056, 30938), (7812, 27944), (7984, 27342), (8928, 24451), (8982, 24304), (9114, 23952), (10416, 20958), (10479, 20832), (11976, 18228), (12152, 17964), (13671, 15968), (13972, 15624), (14112, 15469)]