211237540

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{15601}}^1$

素因数の和:16287

約数の個数: 24

約数和(自身を含む): 444282552

約数和(自身を除く): 233045012

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 2708, 3385, 6770, 13540, 15601, 31202, 62404, 78005, 156010, 312020, 10561877, 21123754, 42247508, 52809385, 105618770, 211237540]

約数ペア:

[(1, 211237540), (2, 105618770), (4, 52809385), (5, 42247508), (10, 21123754), (20, 10561877), (677, 312020), (1354, 156010), (2708, 78005), (3385, 62404), (6770, 31202), (13540, 15601)]