About the Number

30009020

30009019 ← → 30009021

2進数表記:1110010011110011010111100

漢数字表記:三千万九千二十

素因数分解:

2 2 × 5 1 × 23 1 × 89 1 × 733 1

素因数の和:854
約数の個数: 48
約数和(自身を含む): 66588480
約数和(自身を除く): 36579460

約数列:
[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 733, 890, 1466, 1780, 2047, 2932, 3665, 4094, 7330, 8188, 10235, 14660, 16859, 20470, 33718, 40940, 65237, 67436, 84295, 130474, 168590, 260948, 326185, 337180, 652370, 1304740, 1500451, 3000902, 6001804, 7502255, 15004510, 30009020]

約数ペア:
[(1, 30009020), (2, 15004510), (4, 7502255), (5, 6001804), (10, 3000902), (20, 1500451), (23, 1304740), (46, 652370), (89, 337180), (92, 326185), (115, 260948), (178, 168590), (230, 130474), (356, 84295), (445, 67436), (460, 65237), (733, 40940), (890, 33718), (1466, 20470), (1780, 16859), (2047, 14660), (2932, 10235), (3665, 8188), (4094, 7330)]

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