280781244

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{80407}}^1$

素因数の和:80514

約数の個数: 36

約数和(自身を含む): 717078544

約数和(自身を除く): 436297300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 80407, 160814, 241221, 321628, 482442, 723663, 964884, 1447326, 2894652, 7799479, 15598958, 23398437, 31197916, 46796874, 70195311, 93593748, 140390622, 280781244]

約数ペア:

[(1, 280781244), (2, 140390622), (3, 93593748), (4, 70195311), (6, 46796874), (9, 31197916), (12, 23398437), (18, 15598958), (36, 7799479), (97, 2894652), (194, 1447326), (291, 964884), (388, 723663), (582, 482442), (873, 321628), (1164, 241221), (1746, 160814), (3492, 80407)]