About the Number

2009102790

2009102789 ← → 2009102791

2進数表記:1110111110000000111100111000110

漢数字表記:二十億九百十万二千七百九十

素因数分解:

2 1 × 3 1 × 5 1 × 1231 1 × 54403 1

素因数の和:55644
約数の個数: 32
約数和(自身を含む): 4825852416
約数和(自身を除く): 2816749626

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 1231, 2462, 3693, 6155, 7386, 12310, 18465, 36930, 54403, 108806, 163209, 272015, 326418, 544030, 816045, 1632090, 66970093, 133940186, 200910279, 334850465, 401820558, 669700930, 1004551395, 2009102790]

約数ペア:
[(1, 2009102790), (2, 1004551395), (3, 669700930), (5, 401820558), (6, 334850465), (10, 200910279), (15, 133940186), (30, 66970093), (1231, 1632090), (2462, 816045), (3693, 544030), (6155, 326418), (7386, 272015), (12310, 163209), (18465, 108806), (36930, 54403)]

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