53438980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{381707}}^1$

素因数の和:381723

約数の個数: 24

約数和(自身を含む): 128253888

約数和(自身を除く): 74814908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 381707, 763414, 1526828, 1908535, 2671949, 3817070, 5343898, 7634140, 10687796, 13359745, 26719490, 53438980]

約数ペア:

[(1, 53438980), (2, 26719490), (4, 13359745), (5, 10687796), (7, 7634140), (10, 5343898), (14, 3817070), (20, 2671949), (28, 1908535), (35, 1526828), (70, 763414), (140, 381707)]