201393780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{479509}}^1$

素因数の和:479528

約数の個数: 48

約数和(自身を含む): 644461440

約数和(自身を除く): 443067660

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, 479509, 959018, 1438527, 1918036, 2397545, 2877054, 3356563, 4795090, 5754108, 6713126, 7192635, 9590180, 10069689, 13426252, 14385270, 16782815, 20139378, 28770540, 33565630, 40278756, 50348445, 67131260, 100696890, 201393780]

約数ペア:

[(1, 201393780), (2, 100696890), (3, 67131260), (4, 50348445), (5, 40278756), (6, 33565630), (7, 28770540), (10, 20139378), (12, 16782815), (14, 14385270), (15, 13426252), (20, 10069689), (21, 9590180), (28, 7192635), (30, 6713126), (35, 5754108), (42, 4795090), (60, 3356563), (70, 2877054), (84, 2397545), (105, 1918036), (140, 1438527), (210, 959018), (420, 479509)]