190505560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{680377}}^1$

素因数の和:680395

約数の個数: 32

約数和(自身を含む): 489872160

約数和(自身を除く): 299366600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 680377, 1360754, 2721508, 3401885, 4762639, 5443016, 6803770, 9525278, 13607540, 19050556, 23813195, 27215080, 38101112, 47626390, 95252780, 190505560]

約数ペア:

[(1, 190505560), (2, 95252780), (4, 47626390), (5, 38101112), (7, 27215080), (8, 23813195), (10, 19050556), (14, 13607540), (20, 9525278), (28, 6803770), (35, 5443016), (40, 4762639), (56, 3401885), (70, 2721508), (140, 1360754), (280, 680377)]