289181180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{143159}}^1$

素因数の和:143269

約数の個数: 24

約数和(自身を含む): 613297440

約数和(自身を除く): 324116260

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 143159, 286318, 572636, 715795, 1431590, 2863180, 14459059, 28918118, 57836236, 72295295, 144590590, 289181180]

約数ペア:

[(1, 289181180), (2, 144590590), (4, 72295295), (5, 57836236), (10, 28918118), (20, 14459059), (101, 2863180), (202, 1431590), (404, 715795), (505, 572636), (1010, 286318), (2020, 143159)]