About the Number

13997980

13997979 ← → 13997981

2進数表記:110101011001011110011100

漢数字表記:千三百九十九万七千九百八十

素因数分解:

2 2 × 5 1 × 347 1 × 2017 1

素因数の和:2373
約数の個数: 24
約数和(自身を含む): 29495088
約数和(自身を除く): 15497108

約数列:
[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 2017, 3470, 4034, 6940, 8068, 10085, 20170, 40340, 699899, 1399798, 2799596, 3499495, 6998990, 13997980]

約数ペア:
[(1, 13997980), (2, 6998990), (4, 3499495), (5, 2799596), (10, 1399798), (20, 699899), (347, 40340), (694, 20170), (1388, 10085), (1735, 8068), (2017, 6940), (3470, 4034)]

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