280561778

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{4079}}^1$

素因数の和:4139

約数の個数: 32

約数和(自身を含む): 511142400

約数和(自身を除く): 230580622

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 578, 2023, 4046, 4079, 4913, 8158, 9826, 28553, 34391, 57106, 68782, 69343, 138686, 485401, 970802, 1178831, 2357662, 8251817, 16503634, 20040127, 40080254, 140280889, 280561778]

約数ペア:

[(1, 280561778), (2, 140280889), (7, 40080254), (14, 20040127), (17, 16503634), (34, 8251817), (119, 2357662), (238, 1178831), (289, 970802), (578, 485401), (2023, 138686), (4046, 69343), (4079, 68782), (4913, 57106), (8158, 34391), (9826, 28553)]