4405940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2861}}^1$

素因数の和:2888

約数の個数: 48

約数和(自身を含む): 11539584

約数和(自身を除く): 7133644

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, 1540, 2861, 5722, 11444, 14305, 20027, 28610, 31471, 40054, 57220, 62942, 80108, 100135, 125884, 157355, 200270, 220297, 314710, 400540, 440594, 629420, 881188, 1101485, 2202970, 4405940]

約数ペア:

[(1, 4405940), (2, 2202970), (4, 1101485), (5, 881188), (7, 629420), (10, 440594), (11, 400540), (14, 314710), (20, 220297), (22, 200270), (28, 157355), (35, 125884), (44, 100135), (55, 80108), (70, 62942), (77, 57220), (110, 40054), (140, 31471), (154, 28610), (220, 20027), (308, 14305), (385, 11444), (770, 5722), (1540, 2861)]