About the Number

268505440

268505439 ← → 268505441

2進数表記:10000000000010001000101100000

漢数字表記:二億六千八百五十万五千四百四十

素因数分解:

2 5 × 5 1 × 7 1 × 239737 1

素因数の和:239759
約数の個数: 48
約数和(自身を含む): 724967712
約数和(自身を除く): 456462272

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 239737, 479474, 958948, 1198685, 1678159, 1917896, 2397370, 3356318, 3835792, 4794740, 6712636, 7671584, 8390795, 9589480, 13425272, 16781590, 19178960, 26850544, 33563180, 38357920, 53701088, 67126360, 134252720, 268505440]

約数ペア:
[(1, 268505440), (2, 134252720), (4, 67126360), (5, 53701088), (7, 38357920), (8, 33563180), (10, 26850544), (14, 19178960), (16, 16781590), (20, 13425272), (28, 9589480), (32, 8390795), (35, 7671584), (40, 6712636), (56, 4794740), (70, 3835792), (80, 3356318), (112, 2397370), (140, 1917896), (160, 1678159), (224, 1198685), (280, 958948), (560, 479474), (1120, 239737)]

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