87312980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229771}}^1$

素因数の和:229799

約数の個数: 24

約数和(自身を含む): 193008480

約数和(自身を除く): 105695500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 229771, 459542, 919084, 1148855, 2297710, 4365649, 4595420, 8731298, 17462596, 21828245, 43656490, 87312980]

約数ペア:

[(1, 87312980), (2, 43656490), (4, 21828245), (5, 17462596), (10, 8731298), (19, 4595420), (20, 4365649), (38, 2297710), (76, 1148855), (95, 919084), (190, 459542), (380, 229771)]