1890309080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{40151}}^1$

素因数の和:40280

約数の個数: 64

約数和(自身を含む): 4683329280

約数和(自身を除く): 2793020200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 856, 1070, 1177, 2140, 2354, 4280, 4708, 5885, 9416, 11770, 23540, 40151, 47080, 80302, 160604, 200755, 321208, 401510, 441661, 803020, 883322, 1606040, 1766644, 2208305, 3533288, 4296157, 4416610, 8592314, 8833220, 17184628, 17666440, 21480785, 34369256, 42961570, 47257727, 85923140, 94515454, 171846280, 189030908, 236288635, 378061816, 472577270, 945154540, 1890309080]

約数ペア:

[(1, 1890309080), (2, 945154540), (4, 472577270), (5, 378061816), (8, 236288635), (10, 189030908), (11, 171846280), (20, 94515454), (22, 85923140), (40, 47257727), (44, 42961570), (55, 34369256), (88, 21480785), (107, 17666440), (110, 17184628), (214, 8833220), (220, 8592314), (428, 4416610), (440, 4296157), (535, 3533288), (856, 2208305), (1070, 1766644), (1177, 1606040), (2140, 883322), (2354, 803020), (4280, 441661), (4708, 401510), (5885, 321208), (9416, 200755), (11770, 160604), (23540, 80302), (40151, 47080)]