28340270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4549}}^1$

素因数の和:4652

約数の個数: 32

約数和(自身を含む): 58968000

約数和(自身を除く): 30627730

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 4549, 6230, 9098, 22745, 31843, 45490, 63686, 159215, 318430, 404861, 809722, 2024305, 2834027, 4048610, 5668054, 14170135, 28340270]

約数ペア:

[(1, 28340270), (2, 14170135), (5, 5668054), (7, 4048610), (10, 2834027), (14, 2024305), (35, 809722), (70, 404861), (89, 318430), (178, 159215), (445, 63686), (623, 45490), (890, 31843), (1246, 22745), (3115, 9098), (4549, 6230)]