28144100

素因数分解:

$2^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{1229}}^1$

素因数の和:1472

約数の個数: 36

約数和(自身を含む): 61389300

約数和(自身を除く): 33245200

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 229, 458, 916, 1145, 1229, 2290, 2458, 4580, 4916, 5725, 6145, 11450, 12290, 22900, 24580, 30725, 61450, 122900, 281441, 562882, 1125764, 1407205, 2814410, 5628820, 7036025, 14072050, 28144100]

約数ペア:

[(1, 28144100), (2, 14072050), (4, 7036025), (5, 5628820), (10, 2814410), (20, 1407205), (25, 1125764), (50, 562882), (100, 281441), (229, 122900), (458, 61450), (916, 30725), (1145, 24580), (1229, 22900), (2290, 12290), (2458, 11450), (4580, 6145), (4916, 5725)]