About the Number

1380988220

1380988219 ← → 1380988221

2進数表記:1010010010100000011010100111100

漢数字表記:十三億八千九十八万八千二百二十

素因数分解:

2 2 × 5 1 × 59 1 × 1170329 1

素因数の和:1170397
約数の個数: 24
約数和(自身を含む): 2949231600
約数和(自身を除く): 1568243380

約数列:
[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 1170329, 2340658, 4681316, 5851645, 11703290, 23406580, 69049411, 138098822, 276197644, 345247055, 690494110, 1380988220]

約数ペア:
[(1, 1380988220), (2, 690494110), (4, 345247055), (5, 276197644), (10, 138098822), (20, 69049411), (59, 23406580), (118, 11703290), (236, 5851645), (295, 4681316), (590, 2340658), (1180, 1170329)]

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