320856004

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{76907}}^1$

素因数の和:77067

約数の個数: 24

約数和(自身を含む): 646027200

約数和(自身を除く): 325171196

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 76907, 153814, 307628, 538349, 1076698, 2153396, 11459143, 22918286, 45836572, 80214001, 160428002, 320856004]

約数ペア:

[(1, 320856004), (2, 160428002), (4, 80214001), (7, 45836572), (14, 22918286), (28, 11459143), (149, 2153396), (298, 1076698), (596, 538349), (1043, 307628), (2086, 153814), (4172, 76907)]