About the Number

201236390

201236389 ← → 201236391

2進数表記:1011111111101001111110100110

漢数字表記:二億百二十三万六千三百九十

素因数分解:

2 1 × 5 1 × 3209 1 × 6271 1

素因数の和:9487
約数の個数: 16
約数和(自身を含む): 362396160
約数和(自身を除く): 161159770

約数列:
[1, 2, 5, 10, 3209, 6271, 6418, 12542, 16045, 31355, 32090, 62710, 20123639, 40247278, 100618195, 201236390]

約数ペア:
[(1, 201236390), (2, 100618195), (5, 40247278), (10, 20123639), (3209, 62710), (6271, 32090), (6418, 31355), (12542, 16045)]

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