208065220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{3041}}^1$

素因数の和:3372

約数の個数: 48

約数和(自身を含む): 478348416

約数和(自身を除く): 270283196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 311, 622, 1244, 1555, 3041, 3110, 3421, 6082, 6220, 6842, 12164, 13684, 15205, 17105, 30410, 33451, 34210, 60820, 66902, 68420, 133804, 167255, 334510, 669020, 945751, 1891502, 3783004, 4728755, 9457510, 10403261, 18915020, 20806522, 41613044, 52016305, 104032610, 208065220]

約数ペア:

[(1, 208065220), (2, 104032610), (4, 52016305), (5, 41613044), (10, 20806522), (11, 18915020), (20, 10403261), (22, 9457510), (44, 4728755), (55, 3783004), (110, 1891502), (220, 945751), (311, 669020), (622, 334510), (1244, 167255), (1555, 133804), (3041, 68420), (3110, 66902), (3421, 60820), (6082, 34210), (6220, 33451), (6842, 30410), (12164, 17105), (13684, 15205)]