About the Number

388215072

388215071 ← → 388215073

2進数表記:10111001000111011000100100000

漢数字表記:三億八千八百二十一万五千七十二

素因数分解:

2 5 × 3 3 × 7 1 × 64189 1

素因数の和:64215
約数の個数: 96
約数和(自身を含む): 1294070400
約数和(自身を除く): 905855328

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 96, 108, 112, 126, 144, 168, 189, 216, 224, 252, 288, 336, 378, 432, 504, 672, 756, 864, 1008, 1512, 2016, 3024, 6048, 64189, 128378, 192567, 256756, 385134, 449323, 513512, 577701, 770268, 898646, 1027024, 1155402, 1347969, 1540536, 1733103, 1797292, 2054048, 2310804, 2695938, 3081072, 3466206, 3594584, 4043907, 4621608, 5391876, 6162144, 6932412, 7189168, 8087814, 9243216, 10783752, 12131721, 13864824, 14378336, 16175628, 18486432, 21567504, 24263442, 27729648, 32351256, 43135008, 48526884, 55459296, 64702512, 97053768, 129405024, 194107536, 388215072]

約数ペア:
[(1, 388215072), (2, 194107536), (3, 129405024), (4, 97053768), (6, 64702512), (7, 55459296), (8, 48526884), (9, 43135008), (12, 32351256), (14, 27729648), (16, 24263442), (18, 21567504), (21, 18486432), (24, 16175628), (27, 14378336), (28, 13864824), (32, 12131721), (36, 10783752), (42, 9243216), (48, 8087814), (54, 7189168), (56, 6932412), (63, 6162144), (72, 5391876), (84, 4621608), (96, 4043907), (108, 3594584), (112, 3466206), (126, 3081072), (144, 2695938), (168, 2310804), (189, 2054048), (216, 1797292), (224, 1733103), (252, 1540536), (288, 1347969), (336, 1155402), (378, 1027024), (432, 898646), (504, 770268), (672, 577701), (756, 513512), (864, 449323), (1008, 385134), (1512, 256756), (2016, 192567), (3024, 128378), (6048, 64189)]

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