28703900

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{1201}}^1$

素因数の和:1454

約数の個数: 36

約数和(自身を含む): 62600160

約数和(自身を除く): 33896260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 956, 1195, 1201, 2390, 2402, 4780, 4804, 5975, 6005, 11950, 12010, 23900, 24020, 30025, 60050, 120100, 287039, 574078, 1148156, 1435195, 2870390, 5740780, 7175975, 14351950, 28703900]

約数ペア:

[(1, 28703900), (2, 14351950), (4, 7175975), (5, 5740780), (10, 2870390), (20, 1435195), (25, 1148156), (50, 574078), (100, 287039), (239, 120100), (478, 60050), (956, 30025), (1195, 24020), (1201, 23900), (2390, 12010), (2402, 11950), (4780, 6005), (4804, 5975)]