138159220

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{6229}}^1$

素因数の和:7347

約数の個数: 24

約数和(自身を含む): 290442600

約数和(自身を除く): 152283380

約数列:

[1, 2, 4, 5, 10, 20, 1109, 2218, 4436, 5545, 6229, 11090, 12458, 22180, 24916, 31145, 62290, 124580, 6907961, 13815922, 27631844, 34539805, 69079610, 138159220]

約数ペア:

[(1, 138159220), (2, 69079610), (4, 34539805), (5, 27631844), (10, 13815922), (20, 6907961), (1109, 124580), (2218, 62290), (4436, 31145), (5545, 24916), (6229, 22180), (11090, 12458)]