About the Number

139780920

139780919 ← → 139780921

2進数表記:1000010101001110001100111000

漢数字表記:一億三千九百七十八万九百二十

素因数分解:

2 3 × 3 1 × 5 1 × 1164841 1

素因数の和:1164855
約数の個数: 32
約数和(自身を含む): 419343120
約数和(自身を除く): 279562200

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1164841, 2329682, 3494523, 4659364, 5824205, 6989046, 9318728, 11648410, 13978092, 17472615, 23296820, 27956184, 34945230, 46593640, 69890460, 139780920]

約数ペア:
[(1, 139780920), (2, 69890460), (3, 46593640), (4, 34945230), (5, 27956184), (6, 23296820), (8, 17472615), (10, 13978092), (12, 11648410), (15, 9318728), (20, 6989046), (24, 5824205), (30, 4659364), (40, 3494523), (60, 2329682), (120, 1164841)]

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