27281380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{194867}}^1$

素因数の和:194883

約数の個数: 24

約数和(自身を含む): 65475648

約数和(自身を除く): 38194268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 194867, 389734, 779468, 974335, 1364069, 1948670, 2728138, 3897340, 5456276, 6820345, 13640690, 27281380]

約数ペア:

[(1, 27281380), (2, 13640690), (4, 6820345), (5, 5456276), (7, 3897340), (10, 2728138), (14, 1948670), (20, 1364069), (28, 974335), (35, 779468), (70, 389734), (140, 194867)]