27146420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2112

約数の個数: 48

約数和(自身を含む): 65856000

約数和(自身を除く): 38709580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1940, 1999, 2716, 3395, 3998, 6790, 7996, 9995, 13580, 13993, 19990, 27986, 39980, 55972, 69965, 139930, 193903, 279860, 387806, 775612, 969515, 1357321, 1939030, 2714642, 3878060, 5429284, 6786605, 13573210, 27146420]

約数ペア:

[(1, 27146420), (2, 13573210), (4, 6786605), (5, 5429284), (7, 3878060), (10, 2714642), (14, 1939030), (20, 1357321), (28, 969515), (35, 775612), (70, 387806), (97, 279860), (140, 193903), (194, 139930), (388, 69965), (485, 55972), (679, 39980), (970, 27986), (1358, 19990), (1940, 13993), (1999, 13580), (2716, 9995), (3395, 7996), (3998, 6790)]