258310070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{21401}}^1$

素因数の和:21496

約数の個数: 32

約数和(自身を含む): 499265856

約数和(自身を除く): 240955786

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2414, 6035, 12070, 21401, 42802, 107005, 214010, 363817, 727634, 1519471, 1819085, 3038942, 3638170, 7597355, 15194710, 25831007, 51662014, 129155035, 258310070]

約数ペア:

[(1, 258310070), (2, 129155035), (5, 51662014), (10, 25831007), (17, 15194710), (34, 7597355), (71, 3638170), (85, 3038942), (142, 1819085), (170, 1519471), (355, 727634), (710, 363817), (1207, 214010), (2414, 107005), (6035, 42802), (12070, 21401)]