278300360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{535193}}^1$

素因数の和:535217

約数の個数: 32

約数和(自身を含む): 674344440

約数和(自身を除く): 396044080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 535193, 1070386, 2140772, 2675965, 4281544, 5351930, 6957509, 10703860, 13915018, 21407720, 27830036, 34787545, 55660072, 69575090, 139150180, 278300360]

約数ペア:

[(1, 278300360), (2, 139150180), (4, 69575090), (5, 55660072), (8, 34787545), (10, 27830036), (13, 21407720), (20, 13915018), (26, 10703860), (40, 6957509), (52, 5351930), (65, 4281544), (104, 2675965), (130, 2140772), (260, 1070386), (520, 535193)]