990200255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{4373}}^1$

素因数の和:4591

約数の個数: 32

約数和(自身を含む): 1360488960

約数和(自身を除く): 370288705

約数列:

[1, 5, 11, 23, 55, 115, 179, 253, 895, 1265, 1969, 4117, 4373, 9845, 20585, 21865, 45287, 48103, 100579, 226435, 240515, 502895, 782767, 1106369, 3913835, 5531845, 8610437, 18003641, 43052185, 90018205, 198040051, 990200255]

約数ペア:

[(1, 990200255), (5, 198040051), (11, 90018205), (23, 43052185), (55, 18003641), (115, 8610437), (179, 5531845), (253, 3913835), (895, 1106369), (1265, 782767), (1969, 502895), (4117, 240515), (4373, 226435), (9845, 100579), (20585, 48103), (21865, 45287)]