About the Number

100409980

100409979 ← → 100409981

2進数表記:101111111000010001001111100

漢数字表記:一億四十万九千九百八十

素因数分解:

2 2 × 5 1 × 11 1 × 456409 1

素因数の和:456429
約数の個数: 24
約数和(自身を含む): 230030640
約数和(自身を除く): 129620660

約数列:
[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 456409, 912818, 1825636, 2282045, 4564090, 5020499, 9128180, 10040998, 20081996, 25102495, 50204990, 100409980]

約数ペア:
[(1, 100409980), (2, 50204990), (4, 25102495), (5, 20081996), (10, 10040998), (11, 9128180), (20, 5020499), (22, 4564090), (44, 2282045), (55, 1825636), (110, 912818), (220, 456409)]

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