1030208050

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 1942677000

約数和(自身を除く): 912468950

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 421, 449, 545, 842, 898, 1090, 2105, 2245, 2725, 4210, 4490, 5450, 10525, 11225, 21050, 22450, 45889, 48941, 91778, 97882, 189029, 229445, 244705, 378058, 458890, 489410, 945145, 1147225, 1223525, 1890290, 2294450, 2447050, 4725725, 9451450, 20604161, 41208322, 103020805, 206041610, 515104025, 1030208050]

約数ペア:

[(1, 1030208050), (2, 515104025), (5, 206041610), (10, 103020805), (25, 41208322), (50, 20604161), (109, 9451450), (218, 4725725), (421, 2447050), (449, 2294450), (545, 1890290), (842, 1223525), (898, 1147225), (1090, 945145), (2105, 489410), (2245, 458890), (2725, 378058), (4210, 244705), (4490, 229445), (5450, 189029), (10525, 97882), (11225, 91778), (21050, 48941), (22450, 45889)]