421710020

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{107033}}^1$

素因数の和:107239

約数の個数: 24

約数和(自身を含む): 890094744

約数和(自身を除く): 468384724

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 107033, 214066, 428132, 535165, 1070330, 2140660, 21085501, 42171002, 84342004, 105427505, 210855010, 421710020]

約数ペア:

[(1, 421710020), (2, 210855010), (4, 105427505), (5, 84342004), (10, 42171002), (20, 21085501), (197, 2140660), (394, 1070330), (788, 535165), (985, 428132), (1970, 214066), (3940, 107033)]