31905020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227893}}^1$

素因数の和:227909

約数の個数: 24

約数和(自身を含む): 76572384

約数和(自身を除く): 44667364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227893, 455786, 911572, 1139465, 1595251, 2278930, 3190502, 4557860, 6381004, 7976255, 15952510, 31905020]

約数ペア:

[(1, 31905020), (2, 15952510), (4, 7976255), (5, 6381004), (7, 4557860), (10, 3190502), (14, 2278930), (20, 1595251), (28, 1139465), (35, 911572), (70, 455786), (140, 227893)]