About the Number

240129981

240129980 ← → 240129982

2進数表記:1110010100000001011110111101

漢数字表記:二億四千十二万九千九百八十一

素因数分解:

3 3 × 7 1 × 13 1 × 17 1 × 5749 1

素因数の和:5795
約数の個数: 64
約数和(自身を含む): 463680000
約数和(自身を除く): 223550019

約数列:
[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 663, 819, 1071, 1547, 1989, 2457, 3213, 4641, 5749, 5967, 13923, 17247, 40243, 41769, 51741, 74737, 97733, 120729, 155223, 224211, 293199, 362187, 523159, 672633, 684131, 879597, 1086561, 1270529, 1569477, 2017899, 2052393, 2638791, 3811587, 4708431, 6157179, 8893703, 11434761, 14125293, 18471537, 26681109, 34304283, 80043327, 240129981]

約数ペア:
[(1, 240129981), (3, 80043327), (7, 34304283), (9, 26681109), (13, 18471537), (17, 14125293), (21, 11434761), (27, 8893703), (39, 6157179), (51, 4708431), (63, 3811587), (91, 2638791), (117, 2052393), (119, 2017899), (153, 1569477), (189, 1270529), (221, 1086561), (273, 879597), (351, 684131), (357, 672633), (459, 523159), (663, 362187), (819, 293199), (1071, 224211), (1547, 155223), (1989, 120729), (2457, 97733), (3213, 74737), (4641, 51741), (5749, 41769), (5967, 40243), (13923, 17247)]

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