638434280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{24593}}^1$

素因数の和:24674

約数の個数: 64

約数和(自身を含む): 1593691200

約数和(自身を除く): 955256920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1180, 1298, 2360, 2596, 3245, 5192, 6490, 12980, 24593, 25960, 49186, 98372, 122965, 196744, 245930, 270523, 491860, 541046, 983720, 1082092, 1352615, 1450987, 2164184, 2705230, 2901974, 5410460, 5803948, 7254935, 10820920, 11607896, 14509870, 15960857, 29019740, 31921714, 58039480, 63843428, 79804285, 127686856, 159608570, 319217140, 638434280]

約数ペア:

[(1, 638434280), (2, 319217140), (4, 159608570), (5, 127686856), (8, 79804285), (10, 63843428), (11, 58039480), (20, 31921714), (22, 29019740), (40, 15960857), (44, 14509870), (55, 11607896), (59, 10820920), (88, 7254935), (110, 5803948), (118, 5410460), (220, 2901974), (236, 2705230), (295, 2164184), (440, 1450987), (472, 1352615), (590, 1082092), (649, 983720), (1180, 541046), (1298, 491860), (2360, 270523), (2596, 245930), (3245, 196744), (5192, 122965), (6490, 98372), (12980, 49186), (24593, 25960)]