261874460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{45307}}^1$

素因数の和:45350

約数の個数: 36

約数和(自身を含む): 584201352

約数和(自身を除く): 322326892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 45307, 90614, 181228, 226535, 453070, 770219, 906140, 1540438, 3080876, 3851095, 7702190, 13093723, 15404380, 26187446, 52374892, 65468615, 130937230, 261874460]

約数ペア:

[(1, 261874460), (2, 130937230), (4, 65468615), (5, 52374892), (10, 26187446), (17, 15404380), (20, 13093723), (34, 7702190), (68, 3851095), (85, 3080876), (170, 1540438), (289, 906140), (340, 770219), (578, 453070), (1156, 226535), (1445, 181228), (2890, 90614), (5780, 45307)]