About the Number

129480144

129480143 ← → 129480145

2進数表記:111101101111011010111010000

漢数字表記:一億二千九百四十八万百四十四

素因数分解:

2 4 × 3 1 × 71 1 × 37993 1

素因数の和:38075
約数の個数: 40
約数和(自身を含む): 339210432
約数和(自身を除く): 209730288

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 37993, 75986, 113979, 151972, 227958, 303944, 455916, 607888, 911832, 1823664, 2697503, 5395006, 8092509, 10790012, 16185018, 21580024, 32370036, 43160048, 64740072, 129480144]

約数ペア:
[(1, 129480144), (2, 64740072), (3, 43160048), (4, 32370036), (6, 21580024), (8, 16185018), (12, 10790012), (16, 8092509), (24, 5395006), (48, 2697503), (71, 1823664), (142, 911832), (213, 607888), (284, 455916), (426, 303944), (568, 227958), (852, 151972), (1136, 113979), (1704, 75986), (3408, 37993)]

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