28277741380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1853063}}^1$

素因数の和:1853188

約数の個数: 48

約数和(自身を含む): 68489245440

約数和(自身を除く): 40211504060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 1853063, 3706126, 7412252, 9265315, 12971441, 18530630, 25942882, 37061260, 51885764, 64857205, 129714410, 201983867, 259428820, 403967734, 807935468, 1009919335, 1413887069, 2019838670, 2827774138, 4039677340, 5655548276, 7069435345, 14138870690, 28277741380]

約数ペア:

[(1, 28277741380), (2, 14138870690), (4, 7069435345), (5, 5655548276), (7, 4039677340), (10, 2827774138), (14, 2019838670), (20, 1413887069), (28, 1009919335), (35, 807935468), (70, 403967734), (109, 259428820), (140, 201983867), (218, 129714410), (436, 64857205), (545, 51885764), (763, 37061260), (1090, 25942882), (1526, 18530630), (2180, 12971441), (3052, 9265315), (3815, 7412252), (7630, 3706126), (15260, 1853063)]