388626020

素因数分解:

$2^2\times 5^1\times {\mathrm{1741}}^1\times {\mathrm{11161}}^1$

素因数の和:12911

約数の個数: 24

約数和(自身を含む): 816656568

約数和(自身を除く): 428030548

約数列:

[1, 2, 4, 5, 10, 20, 1741, 3482, 6964, 8705, 11161, 17410, 22322, 34820, 44644, 55805, 111610, 223220, 19431301, 38862602, 77725204, 97156505, 194313010, 388626020]

約数ペア:

[(1, 388626020), (2, 194313010), (4, 97156505), (5, 77725204), (10, 38862602), (20, 19431301), (1741, 223220), (3482, 111610), (6964, 55805), (8705, 44644), (11161, 34820), (17410, 22322)]