129676520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{170627}}^1$

素因数の和:170657

約数の個数: 32

約数和(自身を含む): 307130400

約数和(自身を除く): 177453880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 170627, 341254, 682508, 853135, 1365016, 1706270, 3241913, 3412540, 6483826, 6825080, 12967652, 16209565, 25935304, 32419130, 64838260, 129676520]

約数ペア:

[(1, 129676520), (2, 64838260), (4, 32419130), (5, 25935304), (8, 16209565), (10, 12967652), (19, 6825080), (20, 6483826), (38, 3412540), (40, 3241913), (76, 1706270), (95, 1365016), (152, 853135), (190, 682508), (380, 341254), (760, 170627)]