About the Number

129690

129689 ← → 129691

2進数表記:11111101010011010

漢数字表記:十二万九千六百九十

素因数分解:

2 1 × 3 2 × 5 1 × 11 1 × 131 1

素因数の和:155
約数の個数: 48
約数和(自身を含む): 370656
約数和(自身を除く): 240966

約数列:
[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 131, 165, 198, 262, 330, 393, 495, 655, 786, 990, 1179, 1310, 1441, 1965, 2358, 2882, 3930, 4323, 5895, 7205, 8646, 11790, 12969, 14410, 21615, 25938, 43230, 64845, 129690]

約数ペア:
[(1, 129690), (2, 64845), (3, 43230), (5, 25938), (6, 21615), (9, 14410), (10, 12969), (11, 11790), (15, 8646), (18, 7205), (22, 5895), (30, 4323), (33, 3930), (45, 2882), (55, 2358), (66, 1965), (90, 1441), (99, 1310), (110, 1179), (131, 990), (165, 786), (198, 655), (262, 495), (330, 393)]

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