320437888

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{131759}}^1$

素因数の和:131792

約数の個数: 32

約数和(自身を含む): 671976000

約数和(自身を除く): 351538112

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 131759, 263518, 527036, 1054072, 2108144, 2503421, 4216288, 5006842, 8432576, 10013684, 16865152, 20027368, 40054736, 80109472, 160218944, 320437888]

約数ペア:

[(1, 320437888), (2, 160218944), (4, 80109472), (8, 40054736), (16, 20027368), (19, 16865152), (32, 10013684), (38, 8432576), (64, 5006842), (76, 4216288), (128, 2503421), (152, 2108144), (304, 1054072), (608, 527036), (1216, 263518), (2432, 131759)]