210387620

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{75679}}^1$

素因数の和:75827

約数の個数: 24

約数和(自身を含む): 444998400

約数和(自身を除く): 234610780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 75679, 151358, 302716, 378395, 756790, 1513580, 10519381, 21038762, 42077524, 52596905, 105193810, 210387620]

約数ペア:

[(1, 210387620), (2, 105193810), (4, 52596905), (5, 42077524), (10, 21038762), (20, 10519381), (139, 1513580), (278, 756790), (556, 378395), (695, 302716), (1390, 151358), (2780, 75679)]