87687460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89477}}^1$

素因数の和:89500

約数の個数: 36

約数和(自身を含む): 214210332

約数和(自身を除く): 126522872

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 89477, 178954, 357908, 447385, 626339, 894770, 1252678, 1789540, 2505356, 3131695, 4384373, 6263390, 8768746, 12526780, 17537492, 21921865, 43843730, 87687460]

約数ペア:

[(1, 87687460), (2, 43843730), (4, 21921865), (5, 17537492), (7, 12526780), (10, 8768746), (14, 6263390), (20, 4384373), (28, 3131695), (35, 2505356), (49, 1789540), (70, 1252678), (98, 894770), (140, 626339), (196, 447385), (245, 357908), (490, 178954), (980, 89477)]