209128630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{3917}}^1$

素因数の和:4224

約数の個数: 32

約数和(自身を含む): 397755360

約数和(自身を除く): 188626730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 281, 562, 1405, 2810, 3917, 5339, 7834, 10678, 19585, 26695, 39170, 53390, 74423, 148846, 372115, 744230, 1100677, 2201354, 5503385, 11006770, 20912863, 41825726, 104564315, 209128630]

約数ペア:

[(1, 209128630), (2, 104564315), (5, 41825726), (10, 20912863), (19, 11006770), (38, 5503385), (95, 2201354), (190, 1100677), (281, 744230), (562, 372115), (1405, 148846), (2810, 74423), (3917, 53390), (5339, 39170), (7834, 26695), (10678, 19585)]