890203390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{19441}}^1$

素因数の和:19708

約数の個数: 32

約数和(自身を含む): 1693787040

約数和(自身を除く): 803583650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 241, 482, 1205, 2410, 4579, 9158, 19441, 22895, 38882, 45790, 97205, 194410, 369379, 738758, 1846895, 3693790, 4685281, 9370562, 23426405, 46852810, 89020339, 178040678, 445101695, 890203390]

約数ペア:

[(1, 890203390), (2, 445101695), (5, 178040678), (10, 89020339), (19, 46852810), (38, 23426405), (95, 9370562), (190, 4685281), (241, 3693790), (482, 1846895), (1205, 738758), (2410, 369379), (4579, 194410), (9158, 97205), (19441, 45790), (22895, 38882)]