290719076

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{201329}}^1$

素因数の和:201371

約数の個数: 18

約数和(自身を含む): 536947110

約数和(自身を除く): 246228034

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 201329, 402658, 805316, 3825251, 7650502, 15301004, 72679769, 145359538, 290719076]

約数ペア:

[(1, 290719076), (2, 145359538), (4, 72679769), (19, 15301004), (38, 7650502), (76, 3825251), (361, 805316), (722, 402658), (1444, 201329)]