842660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 2182656

約数和(自身を除く): 1339996

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 463, 910, 926, 1820, 1852, 2315, 3241, 4630, 6019, 6482, 9260, 12038, 12964, 16205, 24076, 30095, 32410, 42133, 60190, 64820, 84266, 120380, 168532, 210665, 421330, 842660]

約数ペア:

[(1, 842660), (2, 421330), (4, 210665), (5, 168532), (7, 120380), (10, 84266), (13, 64820), (14, 60190), (20, 42133), (26, 32410), (28, 30095), (35, 24076), (52, 16205), (65, 12964), (70, 12038), (91, 9260), (130, 6482), (140, 6019), (182, 4630), (260, 3241), (364, 2315), (455, 1852), (463, 1820), (910, 926)]