245521705

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 386104320

約数和(自身を除く): 140582615

約数列:

[1, 5, 11, 13, 19, 31, 53, 55, 65, 95, 121, 143, 155, 209, 247, 265, 341, 403, 583, 589, 605, 689, 715, 1007, 1045, 1235, 1573, 1643, 1705, 2015, 2299, 2717, 2915, 2945, 3445, 3751, 4433, 5035, 6413, 6479, 7579, 7657, 7865, 8215, 11077, 11495, 13091, 13585, 18073, 18755, 21359, 22165, 29887, 31217, 32065, 32395, 37895, 38285, 48763, 55385, 65455, 71269, 83369, 84227, 90365, 106795, 121847, 144001, 149435, 156085, 198803, 234949, 243815, 343387, 356345, 405821, 416845, 421135, 609235, 720005, 926497, 994015, 1174745, 1584011, 1716935, 2029105, 2584439, 3777257, 4464031, 4632485, 7920055, 12922195, 18886285, 22320155, 49104341, 245521705]

約数ペア:

[(1, 245521705), (5, 49104341), (11, 22320155), (13, 18886285), (19, 12922195), (31, 7920055), (53, 4632485), (55, 4464031), (65, 3777257), (95, 2584439), (121, 2029105), (143, 1716935), (155, 1584011), (209, 1174745), (247, 994015), (265, 926497), (341, 720005), (403, 609235), (583, 421135), (589, 416845), (605, 405821), (689, 356345), (715, 343387), (1007, 243815), (1045, 234949), (1235, 198803), (1573, 156085), (1643, 149435), (1705, 144001), (2015, 121847), (2299, 106795), (2717, 90365), (2915, 84227), (2945, 83369), (3445, 71269), (3751, 65455), (4433, 55385), (5035, 48763), (6413, 38285), (6479, 37895), (7579, 32395), (7657, 32065), (7865, 31217), (8215, 29887), (11077, 22165), (11495, 21359), (13091, 18755), (13585, 18073)]