About the Number

1210025728

1210025727 ← → 1210025729

2進数表記:1001000000111111000011100000000

漢数字表記:十二億千二万五千七百二十八

素因数分解:

2 8 × 17 1 × 31 1 × 8969 1

素因数の和:9033
約数の個数: 72
約数和(自身を含む): 2640193920
約数和(自身を除く): 1430168192

約数列:
[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 527, 544, 992, 1054, 1088, 1984, 2108, 2176, 3968, 4216, 4352, 7936, 8432, 8969, 16864, 17938, 33728, 35876, 67456, 71752, 134912, 143504, 152473, 278039, 287008, 304946, 556078, 574016, 609892, 1112156, 1148032, 1219784, 2224312, 2296064, 2439568, 4448624, 4726663, 4879136, 8897248, 9453326, 9758272, 17794496, 18906652, 19516544, 35588992, 37813304, 39033088, 71177984, 75626608, 151253216, 302506432, 605012864, 1210025728]

約数ペア:
[(1, 1210025728), (2, 605012864), (4, 302506432), (8, 151253216), (16, 75626608), (17, 71177984), (31, 39033088), (32, 37813304), (34, 35588992), (62, 19516544), (64, 18906652), (68, 17794496), (124, 9758272), (128, 9453326), (136, 8897248), (248, 4879136), (256, 4726663), (272, 4448624), (496, 2439568), (527, 2296064), (544, 2224312), (992, 1219784), (1054, 1148032), (1088, 1112156), (1984, 609892), (2108, 574016), (2176, 556078), (3968, 304946), (4216, 287008), (4352, 278039), (7936, 152473), (8432, 143504), (8969, 134912), (16864, 71752), (17938, 67456), (33728, 35876)]

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