About the Number

120288390

120288389 ← → 120288391

2進数表記:111001010110111010010000110

漢数字表記:一億二千二十八万八千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 23 1 × 174331 1

素因数の和:174364
約数の個数: 32
約数和(自身を含む): 301245696
約数和(自身を除く): 180957306

約数列:
[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 174331, 348662, 522993, 871655, 1045986, 1743310, 2614965, 4009613, 5229930, 8019226, 12028839, 20048065, 24057678, 40096130, 60144195, 120288390]

約数ペア:
[(1, 120288390), (2, 60144195), (3, 40096130), (5, 24057678), (6, 20048065), (10, 12028839), (15, 8019226), (23, 5229930), (30, 4009613), (46, 2614965), (69, 1743310), (115, 1045986), (138, 871655), (230, 522993), (345, 348662), (690, 174331)]

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