349376080

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{16993}}^1$

素因数の和:17263

約数の個数: 40

約数和(自身を含む): 815508072

約数和(自身を除く): 466131992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 16993, 20560, 33986, 67972, 84965, 135944, 169930, 271888, 339860, 679720, 1359440, 4367201, 8734402, 17468804, 21836005, 34937608, 43672010, 69875216, 87344020, 174688040, 349376080]

約数ペア:

[(1, 349376080), (2, 174688040), (4, 87344020), (5, 69875216), (8, 43672010), (10, 34937608), (16, 21836005), (20, 17468804), (40, 8734402), (80, 4367201), (257, 1359440), (514, 679720), (1028, 339860), (1285, 271888), (2056, 169930), (2570, 135944), (4112, 84965), (5140, 67972), (10280, 33986), (16993, 20560)]