81890570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{1471}}^1$

素因数の和:1790

約数の個数: 32

約数和(自身を含む): 155796480

約数和(自身を除く): 73905910

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 293, 586, 1465, 1471, 2930, 2942, 5567, 7355, 11134, 14710, 27835, 27949, 55670, 55898, 139745, 279490, 431003, 862006, 2155015, 4310030, 8189057, 16378114, 40945285, 81890570]

約数ペア:

[(1, 81890570), (2, 40945285), (5, 16378114), (10, 8189057), (19, 4310030), (38, 2155015), (95, 862006), (190, 431003), (293, 279490), (586, 139745), (1465, 55898), (1471, 55670), (2930, 27949), (2942, 27835), (5567, 14710), (7355, 11134)]