22205804540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^2\times {\mathrm{197}}^1\times {\mathrm{599}}^1$

素因数の和:999

約数の個数: 72

約数和(自身を含む): 47436127200

約数和(自身を除く): 25230322660

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 197, 388, 394, 485, 599, 788, 970, 985, 1198, 1940, 1970, 2396, 2995, 3940, 5990, 9409, 11980, 18818, 19109, 37636, 38218, 47045, 58103, 76436, 94090, 95545, 116206, 118003, 188180, 191090, 232412, 236006, 290515, 382180, 472012, 581030, 590015, 1162060, 1180030, 1853573, 2360060, 3707146, 5635991, 7414292, 9267865, 11271982, 11446291, 18535730, 22543964, 22892582, 28179955, 37071460, 45785164, 56359910, 57231455, 112719820, 114462910, 228925820, 1110290227, 2220580454, 4441160908, 5551451135, 11102902270, 22205804540]

約数ペア:

[(1, 22205804540), (2, 11102902270), (4, 5551451135), (5, 4441160908), (10, 2220580454), (20, 1110290227), (97, 228925820), (194, 114462910), (197, 112719820), (388, 57231455), (394, 56359910), (485, 45785164), (599, 37071460), (788, 28179955), (970, 22892582), (985, 22543964), (1198, 18535730), (1940, 11446291), (1970, 11271982), (2396, 9267865), (2995, 7414292), (3940, 5635991), (5990, 3707146), (9409, 2360060), (11980, 1853573), (18818, 1180030), (19109, 1162060), (37636, 590015), (38218, 581030), (47045, 472012), (58103, 382180), (76436, 290515), (94090, 236006), (95545, 232412), (116206, 191090), (118003, 188180)]