About the Number

38671990

38671989 ← → 38671991

2進数表記:10010011100001011001110110

漢数字表記:三千八百六十七万千九百九十

素因数分解:

2 1 × 5 1 × 7 1 × 113 1 × 4889 1

素因数の和:5016
約数の個数: 32
約数和(自身を含む): 80274240
約数和(自身を除く): 41602250

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 3955, 4889, 7910, 9778, 24445, 34223, 48890, 68446, 171115, 342230, 552457, 1104914, 2762285, 3867199, 5524570, 7734398, 19335995, 38671990]

約数ペア:
[(1, 38671990), (2, 19335995), (5, 7734398), (7, 5524570), (10, 3867199), (14, 2762285), (35, 1104914), (70, 552457), (113, 342230), (226, 171115), (565, 68446), (791, 48890), (1130, 34223), (1582, 24445), (3955, 9778), (4889, 7910)]

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