About the Number

71387140

71387139 ← → 71387141

2進数表記:100010000010100100000000100

漢数字表記:七千百三十八万七千百四十

素因数分解:

2 2 × 5 1 × 11 1 × 131 1 × 2477 1

素因数の和:2628
約数の個数: 48
約数和(自身を含む): 164856384
約数和(自身を除く): 93469244

約数列:
[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2477, 2620, 2882, 4954, 5764, 7205, 9908, 12385, 14410, 24770, 27247, 28820, 49540, 54494, 108988, 136235, 272470, 324487, 544940, 648974, 1297948, 1622435, 3244870, 3569357, 6489740, 7138714, 14277428, 17846785, 35693570, 71387140]

約数ペア:
[(1, 71387140), (2, 35693570), (4, 17846785), (5, 14277428), (10, 7138714), (11, 6489740), (20, 3569357), (22, 3244870), (44, 1622435), (55, 1297948), (110, 648974), (131, 544940), (220, 324487), (262, 272470), (524, 136235), (655, 108988), (1310, 54494), (1441, 49540), (2477, 28820), (2620, 27247), (2882, 24770), (4954, 14410), (5764, 12385), (7205, 9908)]

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