2593740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 7338240

約数和(自身を除く): 4744500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 311, 417, 556, 622, 695, 834, 933, 1244, 1390, 1555, 1668, 1866, 2085, 2780, 3110, 3732, 4170, 4665, 6220, 8340, 9330, 18660, 43229, 86458, 129687, 172916, 216145, 259374, 432290, 518748, 648435, 864580, 1296870, 2593740]

約数ペア:

[(1, 2593740), (2, 1296870), (3, 864580), (4, 648435), (5, 518748), (6, 432290), (10, 259374), (12, 216145), (15, 172916), (20, 129687), (30, 86458), (60, 43229), (139, 18660), (278, 9330), (311, 8340), (417, 6220), (556, 4665), (622, 4170), (695, 3732), (834, 3110), (933, 2780), (1244, 2085), (1390, 1866), (1555, 1668)]