257029490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{13901}}^1$

素因数の和:13994

約数の個数: 24

約数和(自身を含む): 473696748

約数和(自身を除く): 216667258

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1849, 3698, 9245, 13901, 18490, 27802, 69505, 139010, 597743, 1195486, 2988715, 5977430, 25702949, 51405898, 128514745, 257029490]

約数ペア:

[(1, 257029490), (2, 128514745), (5, 51405898), (10, 25702949), (43, 5977430), (86, 2988715), (215, 1195486), (430, 597743), (1849, 139010), (3698, 69505), (9245, 27802), (13901, 18490)]