205597728

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:904

約数の個数: 216

約数和(自身を含む): 720972252

約数和(自身を除く): 515374524

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 49, 51, 56, 63, 68, 72, 84, 96, 98, 102, 112, 119, 126, 136, 144, 147, 153, 168, 196, 204, 224, 238, 252, 272, 288, 294, 306, 336, 357, 392, 408, 441, 476, 504, 544, 588, 612, 672, 714, 784, 816, 833, 857, 882, 952, 1008, 1071, 1176, 1224, 1428, 1568, 1632, 1666, 1714, 1764, 1904, 2016, 2142, 2352, 2448, 2499, 2571, 2856, 3332, 3428, 3528, 3808, 4284, 4704, 4896, 4998, 5142, 5712, 5999, 6664, 6856, 7056, 7497, 7713, 8568, 9996, 10284, 11424, 11998, 13328, 13712, 14112, 14569, 14994, 15426, 17136, 17997, 19992, 20568, 23996, 26656, 27424, 29138, 29988, 30852, 34272, 35994, 39984, 41136, 41993, 43707, 47992, 53991, 58276, 59976, 61704, 71988, 79968, 82272, 83986, 87414, 95984, 101983, 107982, 116552, 119952, 123408, 125979, 131121, 143976, 167972, 174828, 191968, 203966, 215964, 233104, 239904, 246816, 251958, 262242, 287952, 305949, 335944, 349656, 377937, 407932, 431928, 466208, 503916, 524484, 575904, 611898, 671888, 699312, 713881, 755874, 815864, 863856, 917847, 1007832, 1048968, 1223796, 1343776, 1398624, 1427762, 1511748, 1631728, 1727712, 1835694, 2015664, 2097936, 2141643, 2447592, 2855524, 3023496, 3263456, 3671388, 4031328, 4195872, 4283286, 4895184, 5711048, 6046992, 6424929, 7342776, 8566572, 9790368, 11422096, 12093984, 12849858, 14685552, 17133144, 22844192, 25699716, 29371104, 34266288, 51399432, 68532576, 102798864, 205597728]

約数ペア:

[(1, 205597728), (2, 102798864), (3, 68532576), (4, 51399432), (6, 34266288), (7, 29371104), (8, 25699716), (9, 22844192), (12, 17133144), (14, 14685552), (16, 12849858), (17, 12093984), (18, 11422096), (21, 9790368), (24, 8566572), (28, 7342776), (32, 6424929), (34, 6046992), (36, 5711048), (42, 4895184), (48, 4283286), (49, 4195872), (51, 4031328), (56, 3671388), (63, 3263456), (68, 3023496), (72, 2855524), (84, 2447592), (96, 2141643), (98, 2097936), (102, 2015664), (112, 1835694), (119, 1727712), (126, 1631728), (136, 1511748), (144, 1427762), (147, 1398624), (153, 1343776), (168, 1223796), (196, 1048968), (204, 1007832), (224, 917847), (238, 863856), (252, 815864), (272, 755874), (288, 713881), (294, 699312), (306, 671888), (336, 611898), (357, 575904), (392, 524484), (408, 503916), (441, 466208), (476, 431928), (504, 407932), (544, 377937), (588, 349656), (612, 335944), (672, 305949), (714, 287952), (784, 262242), (816, 251958), (833, 246816), (857, 239904), (882, 233104), (952, 215964), (1008, 203966), (1071, 191968), (1176, 174828), (1224, 167972), (1428, 143976), (1568, 131121), (1632, 125979), (1666, 123408), (1714, 119952), (1764, 116552), (1904, 107982), (2016, 101983), (2142, 95984), (2352, 87414), (2448, 83986), (2499, 82272), (2571, 79968), (2856, 71988), (3332, 61704), (3428, 59976), (3528, 58276), (3808, 53991), (4284, 47992), (4704, 43707), (4896, 41993), (4998, 41136), (5142, 39984), (5712, 35994), (5999, 34272), (6664, 30852), (6856, 29988), (7056, 29138), (7497, 27424), (7713, 26656), (8568, 23996), (9996, 20568), (10284, 19992), (11424, 17997), (11998, 17136), (13328, 15426), (13712, 14994), (14112, 14569)]