311292020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1197277}}^1$

素因数の和:1197299

約数の個数: 24

約数和(自身を含む): 703999464

約数和(自身を除く): 392707444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1197277, 2394554, 4789108, 5986385, 11972770, 15564601, 23945540, 31129202, 62258404, 77823005, 155646010, 311292020]

約数ペア:

[(1, 311292020), (2, 155646010), (4, 77823005), (5, 62258404), (10, 31129202), (13, 23945540), (20, 15564601), (26, 11972770), (52, 5986385), (65, 4789108), (130, 2394554), (260, 1197277)]