About the Number

1389235984

1389235983 ← → 1389235985

2進数表記:1010010110011100000111100010000

漢数字表記:十三億八千九百二十三万五千九百八十四

素因数分解:

2 4 × 31 1 × 71 1 × 103 1 × 383 1

素因数の和:596
約数の個数: 80
約数和(自身を含む): 2852388864
約数和(自身を除く): 1463152880

約数列:
[1, 2, 4, 8, 16, 31, 62, 71, 103, 124, 142, 206, 248, 284, 383, 412, 496, 568, 766, 824, 1136, 1532, 1648, 2201, 3064, 3193, 4402, 6128, 6386, 7313, 8804, 11873, 12772, 14626, 17608, 23746, 25544, 27193, 29252, 35216, 39449, 47492, 51088, 54386, 58504, 78898, 94984, 108772, 117008, 157796, 189968, 217544, 226703, 315592, 435088, 453406, 631184, 842983, 906812, 1222919, 1685966, 1813624, 2445838, 2800879, 3371932, 3627248, 4891676, 5601758, 6743864, 9783352, 11203516, 13487728, 19566704, 22407032, 44814064, 86827249, 173654498, 347308996, 694617992, 1389235984]

約数ペア:
[(1, 1389235984), (2, 694617992), (4, 347308996), (8, 173654498), (16, 86827249), (31, 44814064), (62, 22407032), (71, 19566704), (103, 13487728), (124, 11203516), (142, 9783352), (206, 6743864), (248, 5601758), (284, 4891676), (383, 3627248), (412, 3371932), (496, 2800879), (568, 2445838), (766, 1813624), (824, 1685966), (1136, 1222919), (1532, 906812), (1648, 842983), (2201, 631184), (3064, 453406), (3193, 435088), (4402, 315592), (6128, 226703), (6386, 217544), (7313, 189968), (8804, 157796), (11873, 117008), (12772, 108772), (14626, 94984), (17608, 78898), (23746, 58504), (25544, 54386), (27193, 51088), (29252, 47492), (35216, 39449)]

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