About the Number

138018690

138018689 ← → 138018691

2進数表記:1000001110011111111110000010

漢数字表記:一億三千八百一万八千六百九十

素因数分解:

2 1 × 3 2 × 5 1 × 311 1 × 4931 1

素因数の和:5255
約数の個数: 48
約数和(自身を含む): 360075456
約数和(自身を除く): 222056766

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311, 622, 933, 1555, 1866, 2799, 3110, 4665, 4931, 5598, 9330, 9862, 13995, 14793, 24655, 27990, 29586, 44379, 49310, 73965, 88758, 147930, 221895, 443790, 1533541, 3067082, 4600623, 7667705, 9201246, 13801869, 15335410, 23003115, 27603738, 46006230, 69009345, 138018690]

約数ペア:
[(1, 138018690), (2, 69009345), (3, 46006230), (5, 27603738), (6, 23003115), (9, 15335410), (10, 13801869), (15, 9201246), (18, 7667705), (30, 4600623), (45, 3067082), (90, 1533541), (311, 443790), (622, 221895), (933, 147930), (1555, 88758), (1866, 73965), (2799, 49310), (3110, 44379), (4665, 29586), (4931, 27990), (5598, 24655), (9330, 14793), (9862, 13995)]

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