About the Number

5001990

5001989 ← → 5001991

2進数表記:10011000101001100000110

漢数字表記:五百万千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 23819 1

素因数の和:23836
約数の個数: 32
約数和(自身を含む): 13720320
約数和(自身を除く): 8718330

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 23819, 47638, 71457, 119095, 142914, 166733, 238190, 333466, 357285, 500199, 714570, 833665, 1000398, 1667330, 2500995, 5001990]

約数ペア:
[(1, 5001990), (2, 2500995), (3, 1667330), (5, 1000398), (6, 833665), (7, 714570), (10, 500199), (14, 357285), (15, 333466), (21, 238190), (30, 166733), (35, 142914), (42, 119095), (70, 71457), (105, 47638), (210, 23819)]

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