2008990555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8699}}^1$

素因数の和:8764

約数の個数: 64

約数和(自身を含む): 3157056000

約数和(自身を除く): 1148065445

約数列:

[1, 5, 11, 13, 17, 19, 55, 65, 85, 95, 143, 187, 209, 221, 247, 323, 715, 935, 1045, 1105, 1235, 1615, 2431, 2717, 3553, 4199, 8699, 12155, 13585, 17765, 20995, 43495, 46189, 95689, 113087, 147883, 165281, 230945, 478445, 565435, 739415, 826405, 1243957, 1626713, 1818091, 1922479, 2148653, 2809777, 6219785, 8133565, 9090455, 9612395, 10743265, 14048885, 21147269, 23635183, 30907547, 36527101, 105736345, 118175915, 154537735, 182635505, 401798111, 2008990555]

約数ペア:

[(1, 2008990555), (5, 401798111), (11, 182635505), (13, 154537735), (17, 118175915), (19, 105736345), (55, 36527101), (65, 30907547), (85, 23635183), (95, 21147269), (143, 14048885), (187, 10743265), (209, 9612395), (221, 9090455), (247, 8133565), (323, 6219785), (715, 2809777), (935, 2148653), (1045, 1922479), (1105, 1818091), (1235, 1626713), (1615, 1243957), (2431, 826405), (2717, 739415), (3553, 565435), (4199, 478445), (8699, 230945), (12155, 165281), (13585, 147883), (17765, 113087), (20995, 95689), (43495, 46189)]