204779080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{465407}}^1$

素因数の和:465429

約数の個数: 32

約数和(自身を含む): 502640640

約数和(自身を除く): 297861560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 465407, 930814, 1861628, 2327035, 3723256, 4654070, 5119477, 9308140, 10238954, 18616280, 20477908, 25597385, 40955816, 51194770, 102389540, 204779080]

約数ペア:

[(1, 204779080), (2, 102389540), (4, 51194770), (5, 40955816), (8, 25597385), (10, 20477908), (11, 18616280), (20, 10238954), (22, 9308140), (40, 5119477), (44, 4654070), (55, 3723256), (88, 2327035), (110, 1861628), (220, 930814), (440, 465407)]