About the Number

130205488

130205487 ← → 130205489

2進数表記:111110000101100011100110000

漢数字表記:一億三千二十万五千四百八十八

素因数分解:

2 4 × 7 1 × 151 1 × 7699 1

素因数の和:7865
約数の個数: 40
約数和(自身を含む): 290259200
約数和(自身を除く): 160053712

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 151, 302, 604, 1057, 1208, 2114, 2416, 4228, 7699, 8456, 15398, 16912, 30796, 53893, 61592, 107786, 123184, 215572, 431144, 862288, 1162549, 2325098, 4650196, 8137843, 9300392, 16275686, 18600784, 32551372, 65102744, 130205488]

約数ペア:
[(1, 130205488), (2, 65102744), (4, 32551372), (7, 18600784), (8, 16275686), (14, 9300392), (16, 8137843), (28, 4650196), (56, 2325098), (112, 1162549), (151, 862288), (302, 431144), (604, 215572), (1057, 123184), (1208, 107786), (2114, 61592), (2416, 53893), (4228, 30796), (7699, 16912), (8456, 15398)]

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