1938580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 4749696

約数和(自身を除く): 2811116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 227, 244, 305, 427, 454, 610, 854, 908, 1135, 1220, 1589, 1708, 2135, 2270, 3178, 4270, 4540, 6356, 7945, 8540, 13847, 15890, 27694, 31780, 55388, 69235, 96929, 138470, 193858, 276940, 387716, 484645, 969290, 1938580]

約数ペア:

[(1, 1938580), (2, 969290), (4, 484645), (5, 387716), (7, 276940), (10, 193858), (14, 138470), (20, 96929), (28, 69235), (35, 55388), (61, 31780), (70, 27694), (122, 15890), (140, 13847), (227, 8540), (244, 7945), (305, 6356), (427, 4540), (454, 4270), (610, 3178), (854, 2270), (908, 2135), (1135, 1708), (1220, 1589)]