190038820

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{13751}}^1$

素因数の和:14451

約数の個数: 24

約数和(自身を含む): 399688128

約数和(自身を除く): 209649308

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13751, 13820, 27502, 55004, 68755, 137510, 275020, 9501941, 19003882, 38007764, 47509705, 95019410, 190038820]

約数ペア:

[(1, 190038820), (2, 95019410), (4, 47509705), (5, 38007764), (10, 19003882), (20, 9501941), (691, 275020), (1382, 137510), (2764, 68755), (3455, 55004), (6910, 27502), (13751, 13820)]