About the Number

1380804948

1380804947 ← → 1380804949

2進数表記:1010010010011010110100101010100

漢数字表記:十三億八千八十万四千九百四十八

素因数分解:

2 2 × 3 3 × 163 1 × 78437 1

素因数の和:78613
約数の個数: 48
約数和(自身を含む): 3601872960
約数和(自身を除く): 2221068012

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 163, 326, 489, 652, 978, 1467, 1956, 2934, 4401, 5868, 8802, 17604, 78437, 156874, 235311, 313748, 470622, 705933, 941244, 1411866, 2117799, 2823732, 4235598, 8471196, 12785231, 25570462, 38355693, 51140924, 76711386, 115067079, 153422772, 230134158, 345201237, 460268316, 690402474, 1380804948]

約数ペア:
[(1, 1380804948), (2, 690402474), (3, 460268316), (4, 345201237), (6, 230134158), (9, 153422772), (12, 115067079), (18, 76711386), (27, 51140924), (36, 38355693), (54, 25570462), (108, 12785231), (163, 8471196), (326, 4235598), (489, 2823732), (652, 2117799), (978, 1411866), (1467, 941244), (1956, 705933), (2934, 470622), (4401, 313748), (5868, 235311), (8802, 156874), (17604, 78437)]

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