1557029290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{115421}}^1$

素因数の和:115518

約数の個数: 32

約数和(自身を含む): 2991738240

約数和(自身を除く): 1434708950

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 115421, 230842, 577105, 1154210, 2192999, 4385998, 8194891, 10964995, 16389782, 21929990, 40974455, 81948910, 155702929, 311405858, 778514645, 1557029290]

約数ペア:

[(1, 1557029290), (2, 778514645), (5, 311405858), (10, 155702929), (19, 81948910), (38, 40974455), (71, 21929990), (95, 16389782), (142, 10964995), (190, 8194891), (355, 4385998), (710, 2192999), (1349, 1154210), (2698, 577105), (6745, 230842), (13490, 115421)]