221433790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{61339}}^1$

素因数の和:61384

約数の個数: 24

約数和(自身を含む): 420669720

約数和(自身を除く): 199235930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 61339, 122678, 306695, 613390, 1165441, 2330882, 5827205, 11654410, 22143379, 44286758, 110716895, 221433790]

約数ペア:

[(1, 221433790), (2, 110716895), (5, 44286758), (10, 22143379), (19, 11654410), (38, 5827205), (95, 2330882), (190, 1165441), (361, 613390), (722, 306695), (1805, 122678), (3610, 61339)]