328777780

素因数分解:

$2^2\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{14717}}^1$

素因数の和:15843

約数の個数: 24

約数和(自身を含む): 691098408

約数和(自身を除く): 362320628

約数列:

[1, 2, 4, 5, 10, 20, 1117, 2234, 4468, 5585, 11170, 14717, 22340, 29434, 58868, 73585, 147170, 294340, 16438889, 32877778, 65755556, 82194445, 164388890, 328777780]

約数ペア:

[(1, 328777780), (2, 164388890), (4, 82194445), (5, 65755556), (10, 32877778), (20, 16438889), (1117, 294340), (2234, 147170), (4468, 73585), (5585, 58868), (11170, 29434), (14717, 22340)]