About the Number

1320221188

1320221187 ← → 1320221189

2進数表記:1001110101100001111101000000100

漢数字表記:十三億二千二十二万千百八十八

素因数分解:

2 2 × 11 1 × 13 1 × 2308079 1

素因数の和:2308107
約数の個数: 24
約数和(自身を含む): 2714302080
約数和(自身を除く): 1394080892

約数列:
[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 2308079, 4616158, 9232316, 25388869, 30005027, 50777738, 60010054, 101555476, 120020108, 330055297, 660110594, 1320221188]

約数ペア:
[(1, 1320221188), (2, 660110594), (4, 330055297), (11, 120020108), (13, 101555476), (22, 60010054), (26, 50777738), (44, 30005027), (52, 25388869), (143, 9232316), (286, 4616158), (572, 2308079)]

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