About the Number

29871090

29871089 ← → 29871091

2進数表記:1110001111100101111110010

漢数字表記:二千九百八十七万千九十

素因数分解:

2 1 × 3 2 × 5 1 × 61 1 × 5441 1

素因数の和:5515
約数の個数: 48
約数和(自身を含む): 78952536
約数和(自身を除く): 49081446

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5441, 5490, 10882, 16323, 27205, 32646, 48969, 54410, 81615, 97938, 163230, 244845, 331901, 489690, 663802, 995703, 1659505, 1991406, 2987109, 3319010, 4978515, 5974218, 9957030, 14935545, 29871090]

約数ペア:
[(1, 29871090), (2, 14935545), (3, 9957030), (5, 5974218), (6, 4978515), (9, 3319010), (10, 2987109), (15, 1991406), (18, 1659505), (30, 995703), (45, 663802), (61, 489690), (90, 331901), (122, 244845), (183, 163230), (305, 97938), (366, 81615), (549, 54410), (610, 48969), (915, 32646), (1098, 27205), (1830, 16323), (2745, 10882), (5441, 5490)]

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