About the Number

12090890

12090889 ← → 12090891

2進数表記:101110000111111000001010

漢数字表記:千二百九万八百九十

素因数分解:

2 1 × 5 1 × 7 1 × 53 1 × 3259 1

素因数の和:3326
約数の個数: 32
約数和(自身を含む): 25349760
約数和(自身を除く): 13258870

約数列:
[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3259, 3710, 6518, 16295, 22813, 32590, 45626, 114065, 172727, 228130, 345454, 863635, 1209089, 1727270, 2418178, 6045445, 12090890]

約数ペア:
[(1, 12090890), (2, 6045445), (5, 2418178), (7, 1727270), (10, 1209089), (14, 863635), (35, 345454), (53, 228130), (70, 172727), (106, 114065), (265, 45626), (371, 32590), (530, 22813), (742, 16295), (1855, 6518), (3259, 3710)]

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