About the Number

489988920

489988919 ← → 489988921

2進数表記:11101001101001010001100111000

漢数字表記:四億八千九百九十八万八千九百二十

素因数分解:

2 3 × 3 1 × 5 1 × 4083241 1

素因数の和:4083255
約数の個数: 32
約数和(自身を含む): 1469967120
約数和(自身を除く): 979978200

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 4083241, 8166482, 12249723, 16332964, 20416205, 24499446, 32665928, 40832410, 48998892, 61248615, 81664820, 97997784, 122497230, 163329640, 244994460, 489988920]

約数ペア:
[(1, 489988920), (2, 244994460), (3, 163329640), (4, 122497230), (5, 97997784), (6, 81664820), (8, 61248615), (10, 48998892), (12, 40832410), (15, 32665928), (20, 24499446), (24, 20416205), (30, 16332964), (40, 12249723), (60, 8166482), (120, 4083241)]

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