About the Number

109872028

109872027 ← → 109872029

2進数表記:110100011001000001110011100

漢数字表記:一億九百八十七万二千二十八

素因数分解:

2 2 × 7 1 × 1009 1 × 3889 1

素因数の和:4909
約数の個数: 24
約数和(自身を含む): 220018400
約数和(自身を除く): 110146372

約数列:
[1, 2, 4, 7, 14, 28, 1009, 2018, 3889, 4036, 7063, 7778, 14126, 15556, 27223, 28252, 54446, 108892, 3924001, 7848002, 15696004, 27468007, 54936014, 109872028]

約数ペア:
[(1, 109872028), (2, 54936014), (4, 27468007), (7, 15696004), (14, 7848002), (28, 3924001), (1009, 108892), (2018, 54446), (3889, 28252), (4036, 27223), (7063, 15556), (7778, 14126)]

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