478660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 1241856

約数和(自身を除く): 763196

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 263, 364, 455, 526, 910, 1052, 1315, 1820, 1841, 2630, 3419, 3682, 5260, 6838, 7364, 9205, 13676, 17095, 18410, 23933, 34190, 36820, 47866, 68380, 95732, 119665, 239330, 478660]

約数ペア:

[(1, 478660), (2, 239330), (4, 119665), (5, 95732), (7, 68380), (10, 47866), (13, 36820), (14, 34190), (20, 23933), (26, 18410), (28, 17095), (35, 13676), (52, 9205), (65, 7364), (70, 6838), (91, 5260), (130, 3682), (140, 3419), (182, 2630), (260, 1841), (263, 1820), (364, 1315), (455, 1052), (526, 910)]