57378340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 124451712

約数和(自身を除く): 67073372

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 137, 172, 215, 274, 430, 487, 548, 685, 860, 974, 1370, 1948, 2435, 2740, 4870, 5891, 9740, 11782, 20941, 23564, 29455, 41882, 58910, 66719, 83764, 104705, 117820, 133438, 209410, 266876, 333595, 418820, 667190, 1334380, 2868917, 5737834, 11475668, 14344585, 28689170, 57378340]

約数ペア:

[(1, 57378340), (2, 28689170), (4, 14344585), (5, 11475668), (10, 5737834), (20, 2868917), (43, 1334380), (86, 667190), (137, 418820), (172, 333595), (215, 266876), (274, 209410), (430, 133438), (487, 117820), (548, 104705), (685, 83764), (860, 66719), (974, 58910), (1370, 41882), (1948, 29455), (2435, 23564), (2740, 20941), (4870, 11782), (5891, 9740)]