813620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2393}}^1$

素因数の和:2419

約数の個数: 24

約数和(自身を含む): 1809864

約数和(自身を除く): 996244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2393, 4786, 9572, 11965, 23930, 40681, 47860, 81362, 162724, 203405, 406810, 813620]

約数ペア:

[(1, 813620), (2, 406810), (4, 203405), (5, 162724), (10, 81362), (17, 47860), (20, 40681), (34, 23930), (68, 11965), (85, 9572), (170, 4786), (340, 2393)]