320437736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{23687}}^1$

素因数の和:23801

約数の個数: 32

約数和(自身を含む): 639576000

約数和(自身を除く): 319138264

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 712, 1691, 3382, 6764, 13528, 23687, 47374, 94748, 189496, 450053, 900106, 1800212, 2108143, 3600424, 4216286, 8432572, 16865144, 40054717, 80109434, 160218868, 320437736]

約数ペア:

[(1, 320437736), (2, 160218868), (4, 80109434), (8, 40054717), (19, 16865144), (38, 8432572), (76, 4216286), (89, 3600424), (152, 2108143), (178, 1800212), (356, 900106), (712, 450053), (1691, 189496), (3382, 94748), (6764, 47374), (13528, 23687)]