About the Number

208048390

208048389 ← → 208048391

2進数表記:1100011001101001000100000110

漢数字表記:二億八百四万八千三百九十

素因数分解:

2 1 × 5 1 × 11 1 × 827 1 × 2287 1

素因数の和:3132
約数の個数: 32
約数和(自身を含む): 409204224
約数和(自身を除く): 201155834

約数列:
[1, 2, 5, 10, 11, 22, 55, 110, 827, 1654, 2287, 4135, 4574, 8270, 9097, 11435, 18194, 22870, 25157, 45485, 50314, 90970, 125785, 251570, 1891349, 3782698, 9456745, 18913490, 20804839, 41609678, 104024195, 208048390]

約数ペア:
[(1, 208048390), (2, 104024195), (5, 41609678), (10, 20804839), (11, 18913490), (22, 9456745), (55, 3782698), (110, 1891349), (827, 251570), (1654, 125785), (2287, 90970), (4135, 50314), (4574, 45485), (8270, 25157), (9097, 22870), (11435, 18194)]

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