168515140

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{23869}}^1$

素因数の和:24231

約数の個数: 24

約数和(自身を含む): 354899160

約数和(自身を除く): 186384020

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 23869, 47738, 95476, 119345, 238690, 477380, 8425757, 16851514, 33703028, 42128785, 84257570, 168515140]

約数ペア:

[(1, 168515140), (2, 84257570), (4, 42128785), (5, 33703028), (10, 16851514), (20, 8425757), (353, 477380), (706, 238690), (1412, 119345), (1765, 95476), (3530, 47738), (7060, 23869)]