249692840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{57269}}^1$

素因数の和:57389

約数の個数: 32

約数和(自身を含む): 566973000

約数和(自身を除く): 317280160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 57269, 114538, 229076, 286345, 458152, 572690, 1145380, 2290760, 6242321, 12484642, 24969284, 31211605, 49938568, 62423210, 124846420, 249692840]

約数ペア:

[(1, 249692840), (2, 124846420), (4, 62423210), (5, 49938568), (8, 31211605), (10, 24969284), (20, 12484642), (40, 6242321), (109, 2290760), (218, 1145380), (436, 572690), (545, 458152), (872, 286345), (1090, 229076), (2180, 114538), (4360, 57269)]