457340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1759}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 1034880

約数和(自身を除く): 577540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1759, 3518, 7036, 8795, 17590, 22867, 35180, 45734, 91468, 114335, 228670, 457340]

約数ペア:

[(1, 457340), (2, 228670), (4, 114335), (5, 91468), (10, 45734), (13, 35180), (20, 22867), (26, 17590), (52, 8795), (65, 7036), (130, 3518), (260, 1759)]