490580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 1085280

約数和(自身を除く): 594700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1291, 2582, 5164, 6455, 12910, 24529, 25820, 49058, 98116, 122645, 245290, 490580]

約数ペア:

[(1, 490580), (2, 245290), (4, 122645), (5, 98116), (10, 49058), (19, 25820), (20, 24529), (38, 12910), (76, 6455), (95, 5164), (190, 2582), (380, 1291)]