About the Number

120454890

120454889 ← → 120454891

2進数表記:111001011011111111011101010

漢数字表記:一億二千四十五万四千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 47 1 × 85429 1

素因数の和:85486
約数の個数: 32
約数和(自身を含む): 295246080
約数和(自身を除く): 174791190

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 85429, 170858, 256287, 427145, 512574, 854290, 1281435, 2562870, 4015163, 8030326, 12045489, 20075815, 24090978, 40151630, 60227445, 120454890]

約数ペア:
[(1, 120454890), (2, 60227445), (3, 40151630), (5, 24090978), (6, 20075815), (10, 12045489), (15, 8030326), (30, 4015163), (47, 2562870), (94, 1281435), (141, 854290), (235, 512574), (282, 427145), (470, 256287), (705, 170858), (1410, 85429)]

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