201121620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{478861}}^1$

素因数の和:478880

約数の個数: 48

約数和(自身を含む): 643590528

約数和(自身を除く): 442468908

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, 478861, 957722, 1436583, 1915444, 2394305, 2873166, 3352027, 4788610, 5746332, 6704054, 7182915, 9577220, 10056081, 13408108, 14365830, 16760135, 20112162, 28731660, 33520270, 40224324, 50280405, 67040540, 100560810, 201121620]

約数ペア:

[(1, 201121620), (2, 100560810), (3, 67040540), (4, 50280405), (5, 40224324), (6, 33520270), (7, 28731660), (10, 20112162), (12, 16760135), (14, 14365830), (15, 13408108), (20, 10056081), (21, 9577220), (28, 7182915), (30, 6704054), (35, 5746332), (42, 4788610), (60, 3352027), (70, 2873166), (84, 2394305), (105, 1915444), (140, 1436583), (210, 957722), (420, 478861)]