320202490

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1\times {\mathrm{691}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 582940800

約数和(自身を除く): 262738310

約数列:

[1, 2, 5, 10, 149, 298, 311, 622, 691, 745, 1382, 1490, 1555, 3110, 3455, 6910, 46339, 92678, 102959, 205918, 214901, 231695, 429802, 463390, 514795, 1029590, 1074505, 2149010, 32020249, 64040498, 160101245, 320202490]

約数ペア:

[(1, 320202490), (2, 160101245), (5, 64040498), (10, 32020249), (149, 2149010), (298, 1074505), (311, 1029590), (622, 514795), (691, 463390), (745, 429802), (1382, 231695), (1490, 214901), (1555, 205918), (3110, 102959), (3455, 92678), (6910, 46339)]