28154380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4871}}^1$

素因数の和:4914

約数の個数: 36

約数和(自身を含む): 62819568

約数和(自身を除く): 34665188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 4871, 5780, 9742, 19484, 24355, 48710, 82807, 97420, 165614, 331228, 414035, 828070, 1407719, 1656140, 2815438, 5630876, 7038595, 14077190, 28154380]

約数ペア:

[(1, 28154380), (2, 14077190), (4, 7038595), (5, 5630876), (10, 2815438), (17, 1656140), (20, 1407719), (34, 828070), (68, 414035), (85, 331228), (170, 165614), (289, 97420), (340, 82807), (578, 48710), (1156, 24355), (1445, 19484), (2890, 9742), (4871, 5780)]