About the Number

231291240

231291239 ← → 231291241

2進数表記:1101110010010011100101101000

漢数字表記:二億三千百二十九万千二百四十

素因数分解:

2 3 × 3 1 × 5 1 × 29 1 × 66463 1

素因数の和:66506
約数の個数: 64
約数和(自身を含む): 717811200
約数和(自身を除く): 486519960

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 66463, 132926, 199389, 265852, 332315, 398778, 531704, 664630, 797556, 996945, 1329260, 1595112, 1927427, 1993890, 2658520, 3854854, 3987780, 5782281, 7709708, 7975560, 9637135, 11564562, 15419416, 19274270, 23129124, 28911405, 38548540, 46258248, 57822810, 77097080, 115645620, 231291240]

約数ペア:
[(1, 231291240), (2, 115645620), (3, 77097080), (4, 57822810), (5, 46258248), (6, 38548540), (8, 28911405), (10, 23129124), (12, 19274270), (15, 15419416), (20, 11564562), (24, 9637135), (29, 7975560), (30, 7709708), (40, 5782281), (58, 3987780), (60, 3854854), (87, 2658520), (116, 1993890), (120, 1927427), (145, 1595112), (174, 1329260), (232, 996945), (290, 797556), (348, 664630), (435, 531704), (580, 398778), (696, 332315), (870, 265852), (1160, 199389), (1740, 132926), (3480, 66463)]

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