About the Number

139439880

139439879 ← → 139439881

2進数表記:1000010011111010111100001000

漢数字表記:一億三千九百四十三万九千八百八十

素因数分解:

2 3 × 3 4 × 5 1 × 43037 1

素因数の和:43060
約数の個数: 80
約数和(自身を含む): 468683820
約数和(自身を除く): 329243940

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 43037, 86074, 129111, 172148, 215185, 258222, 344296, 387333, 430370, 516444, 645555, 774666, 860740, 1032888, 1161999, 1291110, 1549332, 1721480, 1936665, 2323998, 2582220, 3098664, 3485997, 3873330, 4647996, 5164440, 5809995, 6971994, 7746660, 9295992, 11619990, 13943988, 15493320, 17429985, 23239980, 27887976, 34859970, 46479960, 69719940, 139439880]

約数ペア:
[(1, 139439880), (2, 69719940), (3, 46479960), (4, 34859970), (5, 27887976), (6, 23239980), (8, 17429985), (9, 15493320), (10, 13943988), (12, 11619990), (15, 9295992), (18, 7746660), (20, 6971994), (24, 5809995), (27, 5164440), (30, 4647996), (36, 3873330), (40, 3485997), (45, 3098664), (54, 2582220), (60, 2323998), (72, 1936665), (81, 1721480), (90, 1549332), (108, 1291110), (120, 1161999), (135, 1032888), (162, 860740), (180, 774666), (216, 645555), (270, 516444), (324, 430370), (360, 387333), (405, 344296), (540, 258222), (648, 215185), (810, 172148), (1080, 129111), (1620, 86074), (3240, 43037)]

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