204906355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 278069760

約数和(自身を除く): 73163405

約数列:

[1, 5, 17, 19, 71, 85, 95, 323, 355, 1207, 1349, 1615, 1787, 6035, 6745, 8935, 22933, 30379, 33953, 114665, 126877, 151895, 169765, 577201, 634385, 2156909, 2410663, 2886005, 10784545, 12053315, 40981271, 204906355]

約数ペア:

[(1, 204906355), (5, 40981271), (17, 12053315), (19, 10784545), (71, 2886005), (85, 2410663), (95, 2156909), (323, 634385), (355, 577201), (1207, 169765), (1349, 151895), (1615, 126877), (1787, 114665), (6035, 33953), (6745, 30379), (8935, 22933)]