31509220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{293}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 70136640

約数和(自身を除く): 38627420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 283, 293, 380, 566, 586, 1132, 1172, 1415, 1465, 2830, 2930, 5377, 5567, 5660, 5860, 10754, 11134, 21508, 22268, 26885, 27835, 53770, 55670, 82919, 107540, 111340, 165838, 331676, 414595, 829190, 1575461, 1658380, 3150922, 6301844, 7877305, 15754610, 31509220]

約数ペア:

[(1, 31509220), (2, 15754610), (4, 7877305), (5, 6301844), (10, 3150922), (19, 1658380), (20, 1575461), (38, 829190), (76, 414595), (95, 331676), (190, 165838), (283, 111340), (293, 107540), (380, 82919), (566, 55670), (586, 53770), (1132, 27835), (1172, 26885), (1415, 22268), (1465, 21508), (2830, 11134), (2930, 10754), (5377, 5860), (5567, 5660)]