2809730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 6531840

約数和(自身を除く): 3722110

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 41, 55, 70, 77, 82, 89, 110, 154, 178, 205, 287, 385, 410, 445, 451, 574, 623, 770, 890, 902, 979, 1246, 1435, 1958, 2255, 2870, 3115, 3157, 3649, 4510, 4895, 6230, 6314, 6853, 7298, 9790, 13706, 15785, 18245, 25543, 31570, 34265, 36490, 40139, 51086, 68530, 80278, 127715, 200695, 255430, 280973, 401390, 561946, 1404865, 2809730]

約数ペア:

[(1, 2809730), (2, 1404865), (5, 561946), (7, 401390), (10, 280973), (11, 255430), (14, 200695), (22, 127715), (35, 80278), (41, 68530), (55, 51086), (70, 40139), (77, 36490), (82, 34265), (89, 31570), (110, 25543), (154, 18245), (178, 15785), (205, 13706), (287, 9790), (385, 7298), (410, 6853), (445, 6314), (451, 6230), (574, 4895), (623, 4510), (770, 3649), (890, 3157), (902, 3115), (979, 2870), (1246, 2255), (1435, 1958)]