About the Number

201530140

201530139 ← → 201530141

2進数表記:1100000000110001101100011100

漢数字表記:二億百五十三万百四十

素因数分解:

2 2 × 5 1 × 7 2 × 23 1 × 8941 1

素因数の和:8987
約数の個数: 72
約数和(自身を含む): 513771552
約数和(自身を除く): 312241412

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 8941, 11270, 17882, 22540, 35764, 44705, 62587, 89410, 125174, 178820, 205643, 250348, 312935, 411286, 438109, 625870, 822572, 876218, 1028215, 1251740, 1439501, 1752436, 2056430, 2190545, 2879002, 4112860, 4381090, 5758004, 7197505, 8762180, 10076507, 14395010, 20153014, 28790020, 40306028, 50382535, 100765070, 201530140]

約数ペア:
[(1, 201530140), (2, 100765070), (4, 50382535), (5, 40306028), (7, 28790020), (10, 20153014), (14, 14395010), (20, 10076507), (23, 8762180), (28, 7197505), (35, 5758004), (46, 4381090), (49, 4112860), (70, 2879002), (92, 2190545), (98, 2056430), (115, 1752436), (140, 1439501), (161, 1251740), (196, 1028215), (230, 876218), (245, 822572), (322, 625870), (460, 438109), (490, 411286), (644, 312935), (805, 250348), (980, 205643), (1127, 178820), (1610, 125174), (2254, 89410), (3220, 62587), (4508, 44705), (5635, 35764), (8941, 22540), (11270, 17882)]

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