140921860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{1033}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 312681600

約数和(自身を除く): 171759740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 359, 380, 718, 1033, 1436, 1795, 2066, 3590, 4132, 5165, 6821, 7180, 10330, 13642, 19627, 20660, 27284, 34105, 39254, 68210, 78508, 98135, 136420, 196270, 370847, 392540, 741694, 1483388, 1854235, 3708470, 7046093, 7416940, 14092186, 28184372, 35230465, 70460930, 140921860]

約数ペア:

[(1, 140921860), (2, 70460930), (4, 35230465), (5, 28184372), (10, 14092186), (19, 7416940), (20, 7046093), (38, 3708470), (76, 1854235), (95, 1483388), (190, 741694), (359, 392540), (380, 370847), (718, 196270), (1033, 136420), (1436, 98135), (1795, 78508), (2066, 68210), (3590, 39254), (4132, 34105), (5165, 27284), (6821, 20660), (7180, 19627), (10330, 13642)]