2095940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1361}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 5491584

約数和(自身を除く): 3395644

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1361, 1540, 2722, 5444, 6805, 9527, 13610, 14971, 19054, 27220, 29942, 38108, 47635, 59884, 74855, 95270, 104797, 149710, 190540, 209594, 299420, 419188, 523985, 1047970, 2095940]

約数ペア:

[(1, 2095940), (2, 1047970), (4, 523985), (5, 419188), (7, 299420), (10, 209594), (11, 190540), (14, 149710), (20, 104797), (22, 95270), (28, 74855), (35, 59884), (44, 47635), (55, 38108), (70, 29942), (77, 27220), (110, 19054), (140, 14971), (154, 13610), (220, 9527), (308, 6805), (385, 5444), (770, 2722), (1361, 1540)]