1995598660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{13723}}^1$

素因数の和:14404

約数の個数: 48

約数和(自身を含む): 4578985152

約数和(自身を除く): 2583386492

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 661, 1322, 2644, 3305, 6610, 7271, 13220, 13723, 14542, 27446, 29084, 36355, 54892, 68615, 72710, 137230, 145420, 150953, 274460, 301906, 603812, 754765, 1509530, 3019060, 9070903, 18141806, 36283612, 45354515, 90709030, 99779933, 181418060, 199559866, 399119732, 498899665, 997799330, 1995598660]

約数ペア:

[(1, 1995598660), (2, 997799330), (4, 498899665), (5, 399119732), (10, 199559866), (11, 181418060), (20, 99779933), (22, 90709030), (44, 45354515), (55, 36283612), (110, 18141806), (220, 9070903), (661, 3019060), (1322, 1509530), (2644, 754765), (3305, 603812), (6610, 301906), (7271, 274460), (13220, 150953), (13723, 145420), (14542, 137230), (27446, 72710), (29084, 68615), (36355, 54892)]