28269220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201923}}^1$

素因数の和:201939

約数の個数: 24

約数和(自身を含む): 67846464

約数和(自身を除く): 39577244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201923, 403846, 807692, 1009615, 1413461, 2019230, 2826922, 4038460, 5653844, 7067305, 14134610, 28269220]

約数ペア:

[(1, 28269220), (2, 14134610), (4, 7067305), (5, 5653844), (7, 4038460), (10, 2826922), (14, 2019230), (20, 1413461), (28, 1009615), (35, 807692), (70, 403846), (140, 201923)]