188465140

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{4957}}^1$

素因数の和:6867

約数の個数: 24

約数和(自身を含む): 396064872

約数和(自身を除く): 207599732

約数列:

[1, 2, 4, 5, 10, 20, 1901, 3802, 4957, 7604, 9505, 9914, 19010, 19828, 24785, 38020, 49570, 99140, 9423257, 18846514, 37693028, 47116285, 94232570, 188465140]

約数ペア:

[(1, 188465140), (2, 94232570), (4, 47116285), (5, 37693028), (10, 18846514), (20, 9423257), (1901, 99140), (3802, 49570), (4957, 38020), (7604, 24785), (9505, 19828), (9914, 19010)]