280136

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 560070

約数和(自身を除く): 279934

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 361, 388, 722, 776, 1444, 1843, 2888, 3686, 7372, 14744, 35017, 70034, 140068, 280136]

約数ペア:

[(1, 280136), (2, 140068), (4, 70034), (8, 35017), (19, 14744), (38, 7372), (76, 3686), (97, 2888), (152, 1843), (194, 1444), (361, 776), (388, 722)]