90490390

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{65101}}^1$

素因数の和:65247

約数の個数: 16

約数和(自身を含む): 164057040

約数和(自身を除く): 73566650

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 65101, 130202, 325505, 651010, 9049039, 18098078, 45245195, 90490390]

約数ペア:

[(1, 90490390), (2, 45245195), (5, 18098078), (10, 9049039), (139, 651010), (278, 325505), (695, 130202), (1390, 65101)]