About the Number

129400012

129400011 ← → 129400013

2進数表記:111101101100111110011001100

漢数字表記:一億二千九百四十万十二

素因数分解:

2 2 × 7 1 × 557 1 × 8297 1

素因数の和:8865
約数の個数: 24
約数和(自身を含む): 259295904
約数和(自身を除く): 129895892

約数列:
[1, 2, 4, 7, 14, 28, 557, 1114, 2228, 3899, 7798, 8297, 15596, 16594, 33188, 58079, 116158, 232316, 4621429, 9242858, 18485716, 32350003, 64700006, 129400012]

約数ペア:
[(1, 129400012), (2, 64700006), (4, 32350003), (7, 18485716), (14, 9242858), (28, 4621429), (557, 232316), (1114, 116158), (2228, 58079), (3899, 33188), (7798, 16594), (8297, 15596)]

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