290435270

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1\times {\mathrm{463}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 528681600

約数和(自身を除く): 238246330

約数列:

[1, 2, 5, 10, 149, 298, 421, 463, 745, 842, 926, 1490, 2105, 2315, 4210, 4630, 62729, 68987, 125458, 137974, 194923, 313645, 344935, 389846, 627290, 689870, 974615, 1949230, 29043527, 58087054, 145217635, 290435270]

約数ペア:

[(1, 290435270), (2, 145217635), (5, 58087054), (10, 29043527), (149, 1949230), (298, 974615), (421, 689870), (463, 627290), (745, 389846), (842, 344935), (926, 313645), (1490, 194923), (2105, 137974), (2315, 125458), (4210, 68987), (4630, 62729)]