About the Number

1380804940

1380804939 ← → 1380804941

2進数表記:1010010010011010110100101001100

漢数字表記:十三億八千八十万四千九百四十

素因数分解:

2 2 × 5 1 × 17 1 × 4061191 1

素因数の和:4061217
約数の個数: 24
約数和(自身を含む): 3070261152
約数和(自身を除く): 1689456212

約数列:
[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 4061191, 8122382, 16244764, 20305955, 40611910, 69040247, 81223820, 138080494, 276160988, 345201235, 690402470, 1380804940]

約数ペア:
[(1, 1380804940), (2, 690402470), (4, 345201235), (5, 276160988), (10, 138080494), (17, 81223820), (20, 69040247), (34, 40611910), (68, 20305955), (85, 16244764), (170, 8122382), (340, 4061191)]

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