494440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 1140480

約数和(自身を除く): 646040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 263, 376, 470, 526, 940, 1052, 1315, 1880, 2104, 2630, 5260, 10520, 12361, 24722, 49444, 61805, 98888, 123610, 247220, 494440]

約数ペア:

[(1, 494440), (2, 247220), (4, 123610), (5, 98888), (8, 61805), (10, 49444), (20, 24722), (40, 12361), (47, 10520), (94, 5260), (188, 2630), (235, 2104), (263, 1880), (376, 1315), (470, 1052), (526, 940)]