245255220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{194647}}^1$

素因数の和:194669

約数の個数: 72

約数和(自身を含む): 850222464

約数和(自身を除く): 604967244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 194647, 389294, 583941, 778588, 973235, 1167882, 1362529, 1751823, 1946470, 2335764, 2725058, 2919705, 3503646, 3892940, 4087587, 5450116, 5839410, 6812645, 7007292, 8175174, 8759115, 11678820, 12262761, 13625290, 16350348, 17518230, 20437935, 24525522, 27250580, 35036460, 40875870, 49051044, 61313805, 81751740, 122627610, 245255220]

約数ペア:

[(1, 245255220), (2, 122627610), (3, 81751740), (4, 61313805), (5, 49051044), (6, 40875870), (7, 35036460), (9, 27250580), (10, 24525522), (12, 20437935), (14, 17518230), (15, 16350348), (18, 13625290), (20, 12262761), (21, 11678820), (28, 8759115), (30, 8175174), (35, 7007292), (36, 6812645), (42, 5839410), (45, 5450116), (60, 4087587), (63, 3892940), (70, 3503646), (84, 2919705), (90, 2725058), (105, 2335764), (126, 1946470), (140, 1751823), (180, 1362529), (210, 1167882), (252, 973235), (315, 778588), (420, 583941), (630, 389294), (1260, 194647)]