404390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 32

約数和(自身を含む): 855360

約数和(自身を除く): 450970

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 109, 218, 265, 371, 530, 545, 742, 763, 1090, 1526, 1855, 3710, 3815, 5777, 7630, 11554, 28885, 40439, 57770, 80878, 202195, 404390]

約数ペア:

[(1, 404390), (2, 202195), (5, 80878), (7, 57770), (10, 40439), (14, 28885), (35, 11554), (53, 7630), (70, 5777), (106, 3815), (109, 3710), (218, 1855), (265, 1526), (371, 1090), (530, 763), (545, 742)]