About the Number

138788280

138788279 ← → 138788281

2進数表記:1000010001011011110110111000

漢数字表記:一億三千八百七十八万八千二百八十

素因数分解:

2 3 × 3 2 × 5 1 × 41 1 × 9403 1

素因数の和:9461
約数の個数: 96
約数和(自身を含む): 462112560
約数和(自身を除く): 323324280

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1476, 1640, 1845, 2460, 2952, 3690, 4920, 7380, 9403, 14760, 18806, 28209, 37612, 47015, 56418, 75224, 84627, 94030, 112836, 141045, 169254, 188060, 225672, 282090, 338508, 376120, 385523, 423135, 564180, 677016, 771046, 846270, 1128360, 1156569, 1542092, 1692540, 1927615, 2313138, 3084184, 3385080, 3469707, 3855230, 4626276, 5782845, 6939414, 7710460, 9252552, 11565690, 13878828, 15420920, 17348535, 23131380, 27757656, 34697070, 46262760, 69394140, 138788280]

約数ペア:
[(1, 138788280), (2, 69394140), (3, 46262760), (4, 34697070), (5, 27757656), (6, 23131380), (8, 17348535), (9, 15420920), (10, 13878828), (12, 11565690), (15, 9252552), (18, 7710460), (20, 6939414), (24, 5782845), (30, 4626276), (36, 3855230), (40, 3469707), (41, 3385080), (45, 3084184), (60, 2313138), (72, 1927615), (82, 1692540), (90, 1542092), (120, 1156569), (123, 1128360), (164, 846270), (180, 771046), (205, 677016), (246, 564180), (328, 423135), (360, 385523), (369, 376120), (410, 338508), (492, 282090), (615, 225672), (738, 188060), (820, 169254), (984, 141045), (1230, 112836), (1476, 94030), (1640, 84627), (1845, 75224), (2460, 56418), (2952, 47015), (3690, 37612), (4920, 28209), (7380, 18806), (9403, 14760)]

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