243560940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{579907}}^1$

素因数の和:579926

約数の個数: 48

約数和(自身を含む): 779396352

約数和(自身を除く): 535835412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 579907, 1159814, 1739721, 2319628, 2899535, 3479442, 4059349, 5799070, 6958884, 8118698, 8698605, 11598140, 12178047, 16237396, 17397210, 20296745, 24356094, 34794420, 40593490, 48712188, 60890235, 81186980, 121780470, 243560940]

約数ペア:

[(1, 243560940), (2, 121780470), (3, 81186980), (4, 60890235), (5, 48712188), (6, 40593490), (7, 34794420), (10, 24356094), (12, 20296745), (14, 17397210), (15, 16237396), (20, 12178047), (21, 11598140), (28, 8698605), (30, 8118698), (35, 6958884), (42, 5799070), (60, 4059349), (70, 3479442), (84, 2899535), (105, 2319628), (140, 1739721), (210, 1159814), (420, 579907)]