About the Number

31490130

31490129 ← → 31490131

2進数表記:1111000001000000001010010

漢数字表記:三千百四十九万百三十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 149953 1

素因数の和:149970
約数の個数: 32
約数和(自身を含む): 86373504
約数和(自身を除く): 54883374

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 149953, 299906, 449859, 749765, 899718, 1049671, 1499530, 2099342, 2249295, 3149013, 4498590, 5248355, 6298026, 10496710, 15745065, 31490130]

約数ペア:
[(1, 31490130), (2, 15745065), (3, 10496710), (5, 6298026), (6, 5248355), (7, 4498590), (10, 3149013), (14, 2249295), (15, 2099342), (21, 1499530), (30, 1049671), (35, 899718), (42, 749765), (70, 449859), (105, 299906), (210, 149953)]

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