1691920780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7690549}}^1$

素因数の和:7690569

約数の個数: 24

約数和(自身を含む): 3876037200

約数和(自身を除く): 2184116420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 7690549, 15381098, 30762196, 38452745, 76905490, 84596039, 153810980, 169192078, 338384156, 422980195, 845960390, 1691920780]

約数ペア:

[(1, 1691920780), (2, 845960390), (4, 422980195), (5, 338384156), (10, 169192078), (11, 153810980), (20, 84596039), (22, 76905490), (44, 38452745), (55, 30762196), (110, 15381098), (220, 7690549)]