204631490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{13109}}^1$

素因数の和:13346

約数の個数: 32

約数和(自身を含む): 422876160

約数和(自身を除く): 218244670

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 223, 446, 1115, 1561, 2230, 3122, 7805, 13109, 15610, 26218, 65545, 91763, 131090, 183526, 458815, 917630, 2923307, 5846614, 14616535, 20463149, 29233070, 40926298, 102315745, 204631490]

約数ペア:

[(1, 204631490), (2, 102315745), (5, 40926298), (7, 29233070), (10, 20463149), (14, 14616535), (35, 5846614), (70, 2923307), (223, 917630), (446, 458815), (1115, 183526), (1561, 131090), (2230, 91763), (3122, 65545), (7805, 26218), (13109, 15610)]