164886820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1177763}}^1$

素因数の和:1177779

約数の個数: 24

約数和(自身を含む): 395728704

約数和(自身を除く): 230841884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1177763, 2355526, 4711052, 5888815, 8244341, 11777630, 16488682, 23555260, 32977364, 41221705, 82443410, 164886820]

約数ペア:

[(1, 164886820), (2, 82443410), (4, 41221705), (5, 32977364), (7, 23555260), (10, 16488682), (14, 11777630), (20, 8244341), (28, 5888815), (35, 4711052), (70, 2355526), (140, 1177763)]