222050440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{50929}}^1$

素因数の和:51049

約数の個数: 32

約数和(自身を含む): 504207000

約数和(自身を除く): 282156560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 50929, 101858, 203716, 254645, 407432, 509290, 1018580, 2037160, 5551261, 11102522, 22205044, 27756305, 44410088, 55512610, 111025220, 222050440]

約数ペア:

[(1, 222050440), (2, 111025220), (4, 55512610), (5, 44410088), (8, 27756305), (10, 22205044), (20, 11102522), (40, 5551261), (109, 2037160), (218, 1018580), (436, 509290), (545, 407432), (872, 254645), (1090, 203716), (2180, 101858), (4360, 50929)]