28425400

素因数分解:

$2^3\times 5^2\times {\mathrm{311}}^1\times {\mathrm{457}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 66446640

約数和(自身を除く): 38021240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 311, 457, 622, 914, 1244, 1555, 1828, 2285, 2488, 3110, 3656, 4570, 6220, 7775, 9140, 11425, 12440, 15550, 18280, 22850, 31100, 45700, 62200, 91400, 142127, 284254, 568508, 710635, 1137016, 1421270, 2842540, 3553175, 5685080, 7106350, 14212700, 28425400]

約数ペア:

[(1, 28425400), (2, 14212700), (4, 7106350), (5, 5685080), (8, 3553175), (10, 2842540), (20, 1421270), (25, 1137016), (40, 710635), (50, 568508), (100, 284254), (200, 142127), (311, 91400), (457, 62200), (622, 45700), (914, 31100), (1244, 22850), (1555, 18280), (1828, 15550), (2285, 12440), (2488, 11425), (3110, 9140), (3656, 7775), (4570, 6220)]