About the Number

231930

231929 ← → 231931

2進数表記:111000100111111010

漢数字表記:二十三万千九百三十

素因数分解:

2 1 × 3 3 × 5 1 × 859 1

素因数の和:875
約数の個数: 32
約数和(自身を含む): 619200
約数和(自身を除く): 387270

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 859, 1718, 2577, 4295, 5154, 7731, 8590, 12885, 15462, 23193, 25770, 38655, 46386, 77310, 115965, 231930]

約数ペア:
[(1, 231930), (2, 115965), (3, 77310), (5, 46386), (6, 38655), (9, 25770), (10, 23193), (15, 15462), (18, 12885), (27, 8590), (30, 7731), (45, 5154), (54, 4295), (90, 2577), (135, 1718), (270, 859)]

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