About the Number

2012311490

2012311489 ← → 2012311491

2進数表記:1110111111100010110111111000010

漢数字表記:二十億千二百三十一万千四百九十

素因数分解:

2 1 × 5 1 × 7 1 × 233 1 × 123379 1

素因数の和:123626
約数の個数: 32
約数和(自身を含む): 4157412480
約数和(自身を除く): 2145100990

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 233, 466, 1165, 1631, 2330, 3262, 8155, 16310, 123379, 246758, 616895, 863653, 1233790, 1727306, 4318265, 8636530, 28747307, 57494614, 143736535, 201231149, 287473070, 402462298, 1006155745, 2012311490]

約数ペア:
[(1, 2012311490), (2, 1006155745), (5, 402462298), (7, 287473070), (10, 201231149), (14, 143736535), (35, 57494614), (70, 28747307), (233, 8636530), (466, 4318265), (1165, 1727306), (1631, 1233790), (2330, 863653), (3262, 616895), (8155, 246758), (16310, 123379)]

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