208020290

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{3581}}^1$

素因数の和:3782

約数の個数: 32

約数和(自身を含む): 387113904

約数和(自身を除く): 179093614

約数列:

[1, 2, 5, 10, 37, 74, 157, 185, 314, 370, 785, 1570, 3581, 5809, 7162, 11618, 17905, 29045, 35810, 58090, 132497, 264994, 562217, 662485, 1124434, 1324970, 2811085, 5622170, 20802029, 41604058, 104010145, 208020290]

約数ペア:

[(1, 208020290), (2, 104010145), (5, 41604058), (10, 20802029), (37, 5622170), (74, 2811085), (157, 1324970), (185, 1124434), (314, 662485), (370, 562217), (785, 264994), (1570, 132497), (3581, 58090), (5809, 35810), (7162, 29045), (11618, 17905)]