289180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{761}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 640080

約数和(自身を除く): 350900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 761, 1522, 3044, 3805, 7610, 14459, 15220, 28918, 57836, 72295, 144590, 289180]

約数ペア:

[(1, 289180), (2, 144590), (4, 72295), (5, 57836), (10, 28918), (19, 15220), (20, 14459), (38, 7610), (76, 3805), (95, 3044), (190, 1522), (380, 761)]