About the Number

30004988

30004987 ← → 30004989

2進数表記:1110010011101011011111100

漢数字表記:三千万四千九百八十八

素因数分解:

2 2 × 13 1 × 47 1 × 12277 1

素因数の和:12341
約数の個数: 24
約数和(自身を含む): 57755712
約数和(自身を除く): 27750724

約数列:
[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 12277, 24554, 49108, 159601, 319202, 577019, 638404, 1154038, 2308076, 7501247, 15002494, 30004988]

約数ペア:
[(1, 30004988), (2, 15002494), (4, 7501247), (13, 2308076), (26, 1154038), (47, 638404), (52, 577019), (94, 319202), (188, 159601), (611, 49108), (1222, 24554), (2444, 12277)]

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