199316420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{343649}}^1$

素因数の和:343687

約数の個数: 24

約数和(自身を含む): 432999000

約数和(自身を除く): 233682580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 343649, 687298, 1374596, 1718245, 3436490, 6872980, 9965821, 19931642, 39863284, 49829105, 99658210, 199316420]

約数ペア:

[(1, 199316420), (2, 99658210), (4, 49829105), (5, 39863284), (10, 19931642), (20, 9965821), (29, 6872980), (58, 3436490), (116, 1718245), (145, 1374596), (290, 687298), (580, 343649)]