About the Number

131280048

131280047 ← → 131280049

2進数表記:111110100110010110010110000

漢数字表記:一億三千百二十八万四十八

素因数分解:

2 4 × 3 3 × 303889 1

素因数の和:303906
約数の個数: 40
約数和(自身を含む): 376823600
約数和(自身を除く): 245543552

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 303889, 607778, 911667, 1215556, 1823334, 2431112, 2735001, 3646668, 4862224, 5470002, 7293336, 8205003, 10940004, 14586672, 16410006, 21880008, 32820012, 43760016, 65640024, 131280048]

約数ペア:
[(1, 131280048), (2, 65640024), (3, 43760016), (4, 32820012), (6, 21880008), (8, 16410006), (9, 14586672), (12, 10940004), (16, 8205003), (18, 7293336), (24, 5470002), (27, 4862224), (36, 3646668), (48, 2735001), (54, 2431112), (72, 1823334), (108, 1215556), (144, 911667), (216, 607778), (432, 303889)]

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