200420450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2063}}^1$

素因数の和:2171

約数の個数: 48

約数和(自身を含む): 391582080

約数和(自身を除く): 191161630

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 67, 134, 145, 290, 335, 670, 725, 1450, 1675, 1943, 2063, 3350, 3886, 4126, 9715, 10315, 19430, 20630, 48575, 51575, 59827, 97150, 103150, 119654, 138221, 276442, 299135, 598270, 691105, 1382210, 1495675, 2991350, 3455525, 4008409, 6911050, 8016818, 20042045, 40084090, 100210225, 200420450]

約数ペア:

[(1, 200420450), (2, 100210225), (5, 40084090), (10, 20042045), (25, 8016818), (29, 6911050), (50, 4008409), (58, 3455525), (67, 2991350), (134, 1495675), (145, 1382210), (290, 691105), (335, 598270), (670, 299135), (725, 276442), (1450, 138221), (1675, 119654), (1943, 103150), (2063, 97150), (3350, 59827), (3886, 51575), (4126, 48575), (9715, 20630), (10315, 19430)]