388628540

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{85601}}^1$

素因数の和:85837

約数の個数: 24

約数和(自身を含む): 819724752

約数和(自身を除く): 431096212

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 85601, 171202, 342404, 428005, 856010, 1712020, 19431427, 38862854, 77725708, 97157135, 194314270, 388628540]

約数ペア:

[(1, 388628540), (2, 194314270), (4, 97157135), (5, 77725708), (10, 38862854), (20, 19431427), (227, 1712020), (454, 856010), (908, 428005), (1135, 342404), (2270, 171202), (4540, 85601)]