1890715

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 2431296

約数和(自身を除く): 540581

約数列:

[1, 5, 23, 41, 115, 205, 401, 943, 2005, 4715, 9223, 16441, 46115, 82205, 378143, 1890715]

約数ペア:

[(1, 1890715), (5, 378143), (23, 82205), (41, 46115), (115, 16441), (205, 9223), (401, 4715), (943, 2005)]