28257420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{470957}}^1$

素因数の和:470969

約数の個数: 24

約数和(自身を含む): 79120944

約数和(自身を除く): 50863524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 470957, 941914, 1412871, 1883828, 2354785, 2825742, 4709570, 5651484, 7064355, 9419140, 14128710, 28257420]

約数ペア:

[(1, 28257420), (2, 14128710), (3, 9419140), (4, 7064355), (5, 5651484), (6, 4709570), (10, 2825742), (12, 2354785), (15, 1883828), (20, 1412871), (30, 941914), (60, 470957)]