201390490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{411001}}^1$

素因数の和:411022

約数の個数: 24

約数和(自身を含む): 421688052

約数和(自身を除く): 220297562

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 411001, 822002, 2055005, 2877007, 4110010, 5754014, 14385035, 20139049, 28770070, 40278098, 100695245, 201390490]

約数ペア:

[(1, 201390490), (2, 100695245), (5, 40278098), (7, 28770070), (10, 20139049), (14, 14385035), (35, 5754014), (49, 4110010), (70, 2877007), (98, 2055005), (245, 822002), (490, 411001)]