1377776840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3131311}}^1$

素因数の和:3131333

約数の個数: 32

約数和(自身を含む): 3381816960

約数和(自身を除く): 2004040120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3131311, 6262622, 12525244, 15656555, 25050488, 31313110, 34444421, 62626220, 68888842, 125252440, 137777684, 172222105, 275555368, 344444210, 688888420, 1377776840]

約数ペア:

[(1, 1377776840), (2, 688888420), (4, 344444210), (5, 275555368), (8, 172222105), (10, 137777684), (11, 125252440), (20, 68888842), (22, 62626220), (40, 34444421), (44, 31313110), (55, 25050488), (88, 15656555), (110, 12525244), (220, 6262622), (440, 3131311)]