398699840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1471}}^1$

素因数の和:1517

約数の個数: 168

約数和(自身を含む): 1193450496

約数和(自身を除く): 794750656

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 121, 140, 154, 160, 176, 220, 224, 242, 280, 308, 320, 352, 385, 440, 448, 484, 560, 605, 616, 704, 770, 847, 880, 968, 1120, 1210, 1232, 1471, 1540, 1694, 1760, 1936, 2240, 2420, 2464, 2942, 3080, 3388, 3520, 3872, 4235, 4840, 4928, 5884, 6160, 6776, 7355, 7744, 8470, 9680, 10297, 11768, 12320, 13552, 14710, 16181, 16940, 19360, 20594, 23536, 24640, 27104, 29420, 32362, 33880, 38720, 41188, 47072, 51485, 54208, 58840, 64724, 67760, 80905, 82376, 94144, 102970, 113267, 117680, 129448, 135520, 161810, 164752, 177991, 205940, 226534, 235360, 258896, 271040, 323620, 329504, 355982, 411880, 453068, 470720, 517792, 566335, 647240, 659008, 711964, 823760, 889955, 906136, 1035584, 1132670, 1245937, 1294480, 1423928, 1647520, 1779910, 1812272, 2265340, 2491874, 2588960, 2847856, 3295040, 3559820, 3624544, 4530680, 4983748, 5177920, 5695712, 6229685, 7119640, 7249088, 9061360, 9967496, 11391424, 12459370, 14239280, 18122720, 19934992, 24918740, 28478560, 36245440, 39869984, 49837480, 56957120, 79739968, 99674960, 199349920, 398699840]

約数ペア:

[(1, 398699840), (2, 199349920), (4, 99674960), (5, 79739968), (7, 56957120), (8, 49837480), (10, 39869984), (11, 36245440), (14, 28478560), (16, 24918740), (20, 19934992), (22, 18122720), (28, 14239280), (32, 12459370), (35, 11391424), (40, 9967496), (44, 9061360), (55, 7249088), (56, 7119640), (64, 6229685), (70, 5695712), (77, 5177920), (80, 4983748), (88, 4530680), (110, 3624544), (112, 3559820), (121, 3295040), (140, 2847856), (154, 2588960), (160, 2491874), (176, 2265340), (220, 1812272), (224, 1779910), (242, 1647520), (280, 1423928), (308, 1294480), (320, 1245937), (352, 1132670), (385, 1035584), (440, 906136), (448, 889955), (484, 823760), (560, 711964), (605, 659008), (616, 647240), (704, 566335), (770, 517792), (847, 470720), (880, 453068), (968, 411880), (1120, 355982), (1210, 329504), (1232, 323620), (1471, 271040), (1540, 258896), (1694, 235360), (1760, 226534), (1936, 205940), (2240, 177991), (2420, 164752), (2464, 161810), (2942, 135520), (3080, 129448), (3388, 117680), (3520, 113267), (3872, 102970), (4235, 94144), (4840, 82376), (4928, 80905), (5884, 67760), (6160, 64724), (6776, 58840), (7355, 54208), (7744, 51485), (8470, 47072), (9680, 41188), (10297, 38720), (11768, 33880), (12320, 32362), (13552, 29420), (14710, 27104), (16181, 24640), (16940, 23536), (19360, 20594)]