215260

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 463680

約数和(自身を除く): 248420

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 229, 235, 458, 470, 916, 940, 1145, 2290, 4580, 10763, 21526, 43052, 53815, 107630, 215260]

約数ペア:

[(1, 215260), (2, 107630), (4, 53815), (5, 43052), (10, 21526), (20, 10763), (47, 4580), (94, 2290), (188, 1145), (229, 940), (235, 916), (458, 470)]