387776260

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{21283}}^1$

素因数の和:22203

約数の個数: 24

約数和(自身を含む): 815262336

約数和(自身を除く): 427486076

約数列:

[1, 2, 4, 5, 10, 20, 911, 1822, 3644, 4555, 9110, 18220, 21283, 42566, 85132, 106415, 212830, 425660, 19388813, 38777626, 77555252, 96944065, 193888130, 387776260]

約数ペア:

[(1, 387776260), (2, 193888130), (4, 96944065), (5, 77555252), (10, 38777626), (20, 19388813), (911, 425660), (1822, 212830), (3644, 106415), (4555, 85132), (9110, 42566), (18220, 21283)]