493802820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{391907}}^1$

素因数の和:391929

約数の個数: 72

約数和(自身を含む): 1711854144

約数和(自身を除く): 1218051324

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, 391907, 783814, 1175721, 1567628, 1959535, 2351442, 2743349, 3527163, 3919070, 4702884, 5486698, 5878605, 7054326, 7838140, 8230047, 10973396, 11757210, 13716745, 14108652, 16460094, 17635815, 23514420, 24690141, 27433490, 32920188, 35271630, 41150235, 49380282, 54866980, 70543260, 82300470, 98760564, 123450705, 164600940, 246901410, 493802820]

約数ペア:

[(1, 493802820), (2, 246901410), (3, 164600940), (4, 123450705), (5, 98760564), (6, 82300470), (7, 70543260), (9, 54866980), (10, 49380282), (12, 41150235), (14, 35271630), (15, 32920188), (18, 27433490), (20, 24690141), (21, 23514420), (28, 17635815), (30, 16460094), (35, 14108652), (36, 13716745), (42, 11757210), (45, 10973396), (60, 8230047), (63, 7838140), (70, 7054326), (84, 5878605), (90, 5486698), (105, 4702884), (126, 3919070), (140, 3527163), (180, 2743349), (210, 2351442), (252, 1959535), (315, 1567628), (420, 1175721), (630, 783814), (1260, 391907)]