About the Number

2991380

2991379 ← → 2991381

2進数表記:1011011010010100010100

漢数字表記:二百九十九万千三百八十

素因数分解:

2 2 × 5 1 × 7 1 × 23 1 × 929 1

素因数の和:968
約数の個数: 48
約数和(自身を含む): 7499520
約数和(自身を除く): 4508140

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 929, 1610, 1858, 3220, 3716, 4645, 6503, 9290, 13006, 18580, 21367, 26012, 32515, 42734, 65030, 85468, 106835, 130060, 149569, 213670, 299138, 427340, 598276, 747845, 1495690, 2991380]

約数ペア:
[(1, 2991380), (2, 1495690), (4, 747845), (5, 598276), (7, 427340), (10, 299138), (14, 213670), (20, 149569), (23, 130060), (28, 106835), (35, 85468), (46, 65030), (70, 42734), (92, 32515), (115, 26012), (140, 21367), (161, 18580), (230, 13006), (322, 9290), (460, 6503), (644, 4645), (805, 3716), (929, 3220), (1610, 1858)]

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