1423540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 3021480

約数和(自身を除く): 1597940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 653, 1090, 1306, 2180, 2612, 3265, 6530, 13060, 71177, 142354, 284708, 355885, 711770, 1423540]

約数ペア:

[(1, 1423540), (2, 711770), (4, 355885), (5, 284708), (10, 142354), (20, 71177), (109, 13060), (218, 6530), (436, 3265), (545, 2612), (653, 2180), (1090, 1306)]