664984760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1511329}}^1$

素因数の和:1511351

約数の個数: 32

約数和(自身を含む): 1632236400

約数和(自身を除く): 967251640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1511329, 3022658, 6045316, 7556645, 12090632, 15113290, 16624619, 30226580, 33249238, 60453160, 66498476, 83123095, 132996952, 166246190, 332492380, 664984760]

約数ペア:

[(1, 664984760), (2, 332492380), (4, 166246190), (5, 132996952), (8, 83123095), (10, 66498476), (11, 60453160), (20, 33249238), (22, 30226580), (40, 16624619), (44, 15113290), (55, 12090632), (88, 7556645), (110, 6045316), (220, 3022658), (440, 1511329)]