404979080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{920407}}^1$

素因数の和:920429

約数の個数: 32

約数和(自身を含む): 994040640

約数和(自身を除く): 589061560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 920407, 1840814, 3681628, 4602035, 7363256, 9204070, 10124477, 18408140, 20248954, 36816280, 40497908, 50622385, 80995816, 101244770, 202489540, 404979080]

約数ペア:

[(1, 404979080), (2, 202489540), (4, 101244770), (5, 80995816), (8, 50622385), (10, 40497908), (11, 36816280), (20, 20248954), (22, 18408140), (40, 10124477), (44, 9204070), (55, 7363256), (88, 4602035), (110, 3681628), (220, 1840814), (440, 920407)]