About the Number

42985680

42985679 ← → 42985681

2進数表記:10100011111110100011010000

漢数字表記:四千二百九十八万五千六百八十

素因数分解:

2 4 × 3 1 × 5 1 × 179107 1

素因数の和:179123
約数の個数: 40
約数和(自身を含む): 133256352
約数和(自身を除く): 90270672

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 179107, 358214, 537321, 716428, 895535, 1074642, 1432856, 1791070, 2149284, 2686605, 2865712, 3582140, 4298568, 5373210, 7164280, 8597136, 10746420, 14328560, 21492840, 42985680]

約数ペア:
[(1, 42985680), (2, 21492840), (3, 14328560), (4, 10746420), (5, 8597136), (6, 7164280), (8, 5373210), (10, 4298568), (12, 3582140), (15, 2865712), (16, 2686605), (20, 2149284), (24, 1791070), (30, 1432856), (40, 1074642), (48, 895535), (60, 716428), (80, 537321), (120, 358214), (240, 179107)]

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