About the Number

29742990

29742989 ← → 29742991

2進数表記:1110001011101011110001110

漢数字表記:二千九百七十四万二千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 61 1 × 16253 1

素因数の和:16324
約数の個数: 32
約数和(自身を含む): 72557856
約数和(自身を除く): 42814866

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 16253, 32506, 48759, 81265, 97518, 162530, 243795, 487590, 991433, 1982866, 2974299, 4957165, 5948598, 9914330, 14871495, 29742990]

約数ペア:
[(1, 29742990), (2, 14871495), (3, 9914330), (5, 5948598), (6, 4957165), (10, 2974299), (15, 1982866), (30, 991433), (61, 487590), (122, 243795), (183, 162530), (305, 97518), (366, 81265), (610, 48759), (915, 32506), (1830, 16253)]

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