About the Number

218728944

218728943 ← → 218728945

2進数表記:1101000010011000100111110000

漢数字表記:二億千八百七十二万八千九百四十四

素因数分解:

2 4 × 3 3 × 7 2 × 10333 1

素因数の和:10364
約数の個数: 120
約数和(自身を含む): 730407120
約数和(自身を除く): 511678176

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 1008, 1176, 1323, 1512, 1764, 2352, 2646, 3024, 3528, 5292, 7056, 10333, 10584, 20666, 21168, 30999, 41332, 61998, 72331, 82664, 92997, 123996, 144662, 165328, 185994, 216993, 247992, 278991, 289324, 371988, 433986, 495984, 506317, 557982, 578648, 650979, 743976, 867972, 1012634, 1115964, 1157296, 1301958, 1487952, 1518951, 1735944, 1952937, 2025268, 2231928, 2603916, 3037902, 3471888, 3905874, 4050536, 4463856, 4556853, 5207832, 6075804, 7811748, 8101072, 9113706, 10415664, 12151608, 13670559, 15623496, 18227412, 24303216, 27341118, 31246992, 36454824, 54682236, 72909648, 109364472, 218728944]

約数ペア:
[(1, 218728944), (2, 109364472), (3, 72909648), (4, 54682236), (6, 36454824), (7, 31246992), (8, 27341118), (9, 24303216), (12, 18227412), (14, 15623496), (16, 13670559), (18, 12151608), (21, 10415664), (24, 9113706), (27, 8101072), (28, 7811748), (36, 6075804), (42, 5207832), (48, 4556853), (49, 4463856), (54, 4050536), (56, 3905874), (63, 3471888), (72, 3037902), (84, 2603916), (98, 2231928), (108, 2025268), (112, 1952937), (126, 1735944), (144, 1518951), (147, 1487952), (168, 1301958), (189, 1157296), (196, 1115964), (216, 1012634), (252, 867972), (294, 743976), (336, 650979), (378, 578648), (392, 557982), (432, 506317), (441, 495984), (504, 433986), (588, 371988), (756, 289324), (784, 278991), (882, 247992), (1008, 216993), (1176, 185994), (1323, 165328), (1512, 144662), (1764, 123996), (2352, 92997), (2646, 82664), (3024, 72331), (3528, 61998), (5292, 41332), (7056, 30999), (10333, 21168), (10584, 20666)]

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