About the Number

30542890

30542889 ← → 30542891

2進数表記:1110100100000110000101010

漢数字表記:三千五十四万二千八百九十

素因数分解:

2 1 × 5 1 × 7 1 × 109 1 × 4003 1

素因数の和:4126
約数の個数: 32
約数和(自身を含む): 63423360
約数和(自身を除く): 32880470

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3815, 4003, 7630, 8006, 20015, 28021, 40030, 56042, 140105, 280210, 436327, 872654, 2181635, 3054289, 4363270, 6108578, 15271445, 30542890]

約数ペア:
[(1, 30542890), (2, 15271445), (5, 6108578), (7, 4363270), (10, 3054289), (14, 2181635), (35, 872654), (70, 436327), (109, 280210), (218, 140105), (545, 56042), (763, 40030), (1090, 28021), (1526, 20015), (3815, 8006), (4003, 7630)]

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