74123420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{18257}}^1$

素因数の和:18302

約数の個数: 48

約数和(自身を含む): 184040640

約数和(自身を除く): 109917220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 18257, 36514, 73028, 91285, 127799, 182570, 255598, 365140, 511196, 529453, 638995, 1058906, 1277990, 2117812, 2555980, 2647265, 3706171, 5294530, 7412342, 10589060, 14824684, 18530855, 37061710, 74123420]

約数ペア:

[(1, 74123420), (2, 37061710), (4, 18530855), (5, 14824684), (7, 10589060), (10, 7412342), (14, 5294530), (20, 3706171), (28, 2647265), (29, 2555980), (35, 2117812), (58, 1277990), (70, 1058906), (116, 638995), (140, 529453), (145, 511196), (203, 365140), (290, 255598), (406, 182570), (580, 127799), (812, 91285), (1015, 73028), (2030, 36514), (4060, 18257)]