239979728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{789407}}^1$

素因数の和:789434

約数の個数: 20

約数和(自身を含む): 489432960

約数和(自身を除く): 249453232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 789407, 1578814, 3157628, 6315256, 12630512, 14998733, 29997466, 59994932, 119989864, 239979728]

約数ペア:

[(1, 239979728), (2, 119989864), (4, 59994932), (8, 29997466), (16, 14998733), (19, 12630512), (38, 6315256), (76, 3157628), (152, 1578814), (304, 789407)]