231489740

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{37217}}^1$

素因数の和:37537

約数の個数: 24

約数和(自身を含む): 487704672

約数和(自身を除く): 256214932

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 37217, 74434, 148868, 186085, 372170, 744340, 11574487, 23148974, 46297948, 57872435, 115744870, 231489740]

約数ペア:

[(1, 231489740), (2, 115744870), (4, 57872435), (5, 46297948), (10, 23148974), (20, 11574487), (311, 744340), (622, 372170), (1244, 186085), (1555, 148868), (3110, 74434), (6220, 37217)]