263530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:118

約数の個数: 24

約数和(自身を含む): 507492

約数和(自身を除く): 243962

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 361, 365, 722, 730, 1387, 1805, 2774, 3610, 6935, 13870, 26353, 52706, 131765, 263530]

約数ペア:

[(1, 263530), (2, 131765), (5, 52706), (10, 26353), (19, 13870), (38, 6935), (73, 3610), (95, 2774), (146, 1805), (190, 1387), (361, 730), (365, 722)]