396906980

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{114713}}^1$

素因数の和:114895

約数の個数: 24

約数和(自身を含む): 838329912

約数和(自身を除く): 441422932

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 114713, 229426, 458852, 573565, 1147130, 2294260, 19845349, 39690698, 79381396, 99226745, 198453490, 396906980]

約数ペア:

[(1, 396906980), (2, 198453490), (4, 99226745), (5, 79381396), (10, 39690698), (20, 19845349), (173, 2294260), (346, 1147130), (692, 573565), (865, 458852), (1730, 229426), (3460, 114713)]