42974260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2417}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 103993344

約数和(自身を除く): 61019084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2417, 2540, 3556, 4445, 4834, 8890, 9668, 12085, 16919, 17780, 24170, 33838, 48340, 67676, 84595, 169190, 306959, 338380, 613918, 1227836, 1534795, 2148713, 3069590, 4297426, 6139180, 8594852, 10743565, 21487130, 42974260]

約数ペア:

[(1, 42974260), (2, 21487130), (4, 10743565), (5, 8594852), (7, 6139180), (10, 4297426), (14, 3069590), (20, 2148713), (28, 1534795), (35, 1227836), (70, 613918), (127, 338380), (140, 306959), (254, 169190), (508, 84595), (635, 67676), (889, 48340), (1270, 33838), (1778, 24170), (2417, 17780), (2540, 16919), (3556, 12085), (4445, 9668), (4834, 8890)]