380540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 816480

約数和(自身を除く): 435940

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 359, 530, 718, 1060, 1436, 1795, 3590, 7180, 19027, 38054, 76108, 95135, 190270, 380540]

約数ペア:

[(1, 380540), (2, 190270), (4, 95135), (5, 76108), (10, 38054), (20, 19027), (53, 7180), (106, 3590), (212, 1795), (265, 1436), (359, 1060), (530, 718)]