8919220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 20396880

約数和(自身を除く): 11477660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 709, 740, 1258, 1418, 2516, 2836, 3145, 3545, 6290, 7090, 12053, 12580, 14180, 24106, 26233, 48212, 52466, 60265, 104932, 120530, 131165, 241060, 262330, 445961, 524660, 891922, 1783844, 2229805, 4459610, 8919220]

約数ペア:

[(1, 8919220), (2, 4459610), (4, 2229805), (5, 1783844), (10, 891922), (17, 524660), (20, 445961), (34, 262330), (37, 241060), (68, 131165), (74, 120530), (85, 104932), (148, 60265), (170, 52466), (185, 48212), (340, 26233), (370, 24106), (629, 14180), (709, 12580), (740, 12053), (1258, 7090), (1418, 6290), (2516, 3545), (2836, 3145)]