9968540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 22663200

約数和(自身を除く): 12694660

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 709, 740, 1406, 1418, 2812, 2836, 3515, 3545, 7030, 7090, 13471, 14060, 14180, 26233, 26942, 52466, 53884, 67355, 104932, 131165, 134710, 262330, 269420, 498427, 524660, 996854, 1993708, 2492135, 4984270, 9968540]

約数ペア:

[(1, 9968540), (2, 4984270), (4, 2492135), (5, 1993708), (10, 996854), (19, 524660), (20, 498427), (37, 269420), (38, 262330), (74, 134710), (76, 131165), (95, 104932), (148, 67355), (185, 53884), (190, 52466), (370, 26942), (380, 26233), (703, 14180), (709, 14060), (740, 13471), (1406, 7090), (1418, 7030), (2812, 3545), (2836, 3515)]