About the Number

1380804928

1380804927 ← → 1380804929

2進数表記:1010010010011010110100101000000

漢数字表記:十三億八千八十万四千九百二十八

素因数分解:

2 6 × 73 1 × 337 1 × 877 1

素因数の和:1299
約数の個数: 56
約数和(自身を含む): 2788988072
約数和(自身を除く): 1408183144

約数列:
[1, 2, 4, 8, 16, 32, 64, 73, 146, 292, 337, 584, 674, 877, 1168, 1348, 1754, 2336, 2696, 3508, 4672, 5392, 7016, 10784, 14032, 21568, 24601, 28064, 49202, 56128, 64021, 98404, 128042, 196808, 256084, 295549, 393616, 512168, 591098, 787232, 1024336, 1182196, 1574464, 2048672, 2364392, 4097344, 4728784, 9457568, 18915136, 21575077, 43150154, 86300308, 172600616, 345201232, 690402464, 1380804928]

約数ペア:
[(1, 1380804928), (2, 690402464), (4, 345201232), (8, 172600616), (16, 86300308), (32, 43150154), (64, 21575077), (73, 18915136), (146, 9457568), (292, 4728784), (337, 4097344), (584, 2364392), (674, 2048672), (877, 1574464), (1168, 1182196), (1348, 1024336), (1754, 787232), (2336, 591098), (2696, 512168), (3508, 393616), (4672, 295549), (5392, 256084), (7016, 196808), (10784, 128042), (14032, 98404), (21568, 64021), (24601, 56128), (28064, 49202)]

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