768460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 2016000

約数和(自身を除く): 1247540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 499, 770, 998, 1540, 1996, 2495, 3493, 4990, 5489, 6986, 9980, 10978, 13972, 17465, 21956, 27445, 34930, 38423, 54890, 69860, 76846, 109780, 153692, 192115, 384230, 768460]

約数ペア:

[(1, 768460), (2, 384230), (4, 192115), (5, 153692), (7, 109780), (10, 76846), (11, 69860), (14, 54890), (20, 38423), (22, 34930), (28, 27445), (35, 21956), (44, 17465), (55, 13972), (70, 10978), (77, 9980), (110, 6986), (140, 5489), (154, 4990), (220, 3493), (308, 2495), (385, 1996), (499, 1540), (770, 998)]