193145480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{438967}}^1$

素因数の和:438989

約数の個数: 32

約数和(自身を含む): 474085440

約数和(自身を除く): 280939960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 438967, 877934, 1755868, 2194835, 3511736, 4389670, 4828637, 8779340, 9657274, 17558680, 19314548, 24143185, 38629096, 48286370, 96572740, 193145480]

約数ペア:

[(1, 193145480), (2, 96572740), (4, 48286370), (5, 38629096), (8, 24143185), (10, 19314548), (11, 17558680), (20, 9657274), (22, 8779340), (40, 4828637), (44, 4389670), (55, 3511736), (88, 2194835), (110, 1755868), (220, 877934), (440, 438967)]