About the Number

138971190

138971189 ← → 138971191

2進数表記:1000010010001000100000110110

漢数字表記:一億三千八百九十七万千百九十

素因数分解:

2 1 × 3 1 × 5 1 × 29 1 × 159737 1

素因数の和:159776
約数の個数: 32
約数和(自身を含む): 345034080
約数和(自身を除く): 206062890

約数列:
[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 159737, 319474, 479211, 798685, 958422, 1597370, 2396055, 4632373, 4792110, 9264746, 13897119, 23161865, 27794238, 46323730, 69485595, 138971190]

約数ペア:
[(1, 138971190), (2, 69485595), (3, 46323730), (5, 27794238), (6, 23161865), (10, 13897119), (15, 9264746), (29, 4792110), (30, 4632373), (58, 2396055), (87, 1597370), (145, 958422), (174, 798685), (290, 479211), (435, 319474), (870, 159737)]

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