About the Number

387900012

387900011 ← → 387900013

2進数表記:10111000111101110001001101100

漢数字表記:三億八千七百九十万十二

素因数分解:

2 2 × 3 1 × 5281 1 × 6121 1

素因数の和:11409
約数の個数: 24
約数和(自身を含む): 905419312
約数和(自身を除く): 517519300

約数列:
[1, 2, 3, 4, 6, 12, 5281, 6121, 10562, 12242, 15843, 18363, 21124, 24484, 31686, 36726, 63372, 73452, 32325001, 64650002, 96975003, 129300004, 193950006, 387900012]

約数ペア:
[(1, 387900012), (2, 193950006), (3, 129300004), (4, 96975003), (6, 64650002), (12, 32325001), (5281, 73452), (6121, 63372), (10562, 36726), (12242, 31686), (15843, 24484), (18363, 21124)]

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