256225790

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{659}}^2$

素因数の和:1384

約数の個数: 24

約数和(自身を含む): 469736280

約数和(自身を除く): 213510490

約数列:

[1, 2, 5, 10, 59, 118, 295, 590, 659, 1318, 3295, 6590, 38881, 77762, 194405, 388810, 434281, 868562, 2171405, 4342810, 25622579, 51245158, 128112895, 256225790]

約数ペア:

[(1, 256225790), (2, 128112895), (5, 51245158), (10, 25622579), (59, 4342810), (118, 2171405), (295, 868562), (590, 434281), (659, 388810), (1318, 194405), (3295, 77762), (6590, 38881)]