190834520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{280639}}^1$

素因数の和:280667

約数の個数: 32

約数和(自身を含む): 454636800

約数和(自身を除く): 263802280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 280639, 561278, 1122556, 1403195, 2245112, 2806390, 4770863, 5612780, 9541726, 11225560, 19083452, 23854315, 38166904, 47708630, 95417260, 190834520]

約数ペア:

[(1, 190834520), (2, 95417260), (4, 47708630), (5, 38166904), (8, 23854315), (10, 19083452), (17, 11225560), (20, 9541726), (34, 5612780), (40, 4770863), (68, 2806390), (85, 2245112), (136, 1403195), (170, 1122556), (340, 561278), (680, 280639)]