About the Number

139155990

139155989 ← → 139155991

2進数表記:1000010010110101101000010110

漢数字表記:一億三千九百十五万五千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 4638533 1

素因数の和:4638543
約数の個数: 16
約数和(自身を含む): 333974448
約数和(自身を除く): 194818458

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 4638533, 9277066, 13915599, 23192665, 27831198, 46385330, 69577995, 139155990]

約数ペア:
[(1, 139155990), (2, 69577995), (3, 46385330), (5, 27831198), (6, 23192665), (10, 13915599), (15, 9277066), (30, 4638533)]

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