31286540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{293}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 69642720

約数和(自身を除く): 38356180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 281, 293, 380, 562, 586, 1124, 1172, 1405, 1465, 2810, 2930, 5339, 5567, 5620, 5860, 10678, 11134, 21356, 22268, 26695, 27835, 53390, 55670, 82333, 106780, 111340, 164666, 329332, 411665, 823330, 1564327, 1646660, 3128654, 6257308, 7821635, 15643270, 31286540]

約数ペア:

[(1, 31286540), (2, 15643270), (4, 7821635), (5, 6257308), (10, 3128654), (19, 1646660), (20, 1564327), (38, 823330), (76, 411665), (95, 329332), (190, 164666), (281, 111340), (293, 106780), (380, 82333), (562, 55670), (586, 53390), (1124, 27835), (1172, 26695), (1405, 22268), (1465, 21356), (2810, 11134), (2930, 10678), (5339, 5860), (5567, 5620)]