220016890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{17729}}^1$

素因数の和:17826

約数の個数: 32

約数和(自身を含む): 425094480

約数和(自身を除く): 205077590

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 365, 730, 1241, 2482, 6205, 12410, 17729, 35458, 88645, 177290, 301393, 602786, 1294217, 1506965, 2588434, 3013930, 6471085, 12942170, 22001689, 44003378, 110008445, 220016890]

約数ペア:

[(1, 220016890), (2, 110008445), (5, 44003378), (10, 22001689), (17, 12942170), (34, 6471085), (73, 3013930), (85, 2588434), (146, 1506965), (170, 1294217), (365, 602786), (730, 301393), (1241, 177290), (2482, 88645), (6205, 35458), (12410, 17729)]