About the Number

230308988

230308987 ← → 230308989

2進数表記:1101101110100011110001111100

漢数字表記:二億三千三十万八千九百八十八

素因数分解:

2 2 × 7 1 × 13 1 × 632717 1

素因数の和:632741
約数の個数: 24
約数和(自身を含む): 496050912
約数和(自身を除く): 265741924

約数列:
[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 632717, 1265434, 2530868, 4429019, 8225321, 8858038, 16450642, 17716076, 32901284, 57577247, 115154494, 230308988]

約数ペア:
[(1, 230308988), (2, 115154494), (4, 57577247), (7, 32901284), (13, 17716076), (14, 16450642), (26, 8858038), (28, 8225321), (52, 4429019), (91, 2530868), (182, 1265434), (364, 632717)]

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