2051255220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4883941}}^1$

素因数の和:4883960

約数の個数: 48

約数和(自身を含む): 6564018048

約数和(自身を除く): 4512762828

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, 4883941, 9767882, 14651823, 19535764, 24419705, 29303646, 34187587, 48839410, 58607292, 68375174, 73259115, 97678820, 102562761, 136750348, 146518230, 170937935, 205125522, 293036460, 341875870, 410251044, 512813805, 683751740, 1025627610, 2051255220]

約数ペア:

[(1, 2051255220), (2, 1025627610), (3, 683751740), (4, 512813805), (5, 410251044), (6, 341875870), (7, 293036460), (10, 205125522), (12, 170937935), (14, 146518230), (15, 136750348), (20, 102562761), (21, 97678820), (28, 73259115), (30, 68375174), (35, 58607292), (42, 48839410), (60, 34187587), (70, 29303646), (84, 24419705), (105, 19535764), (140, 14651823), (210, 9767882), (420, 4883941)]