199200820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109451}}^1$

素因数の和:109480

約数の個数: 48

約数和(自身を含む): 514862208

約数和(自身を除く): 315661388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 109451, 218902, 437804, 547255, 766157, 1094510, 1422863, 1532314, 2189020, 2845726, 3064628, 3830785, 5691452, 7114315, 7661570, 9960041, 14228630, 15323140, 19920082, 28457260, 39840164, 49800205, 99600410, 199200820]

約数ペア:

[(1, 199200820), (2, 99600410), (4, 49800205), (5, 39840164), (7, 28457260), (10, 19920082), (13, 15323140), (14, 14228630), (20, 9960041), (26, 7661570), (28, 7114315), (35, 5691452), (52, 3830785), (65, 3064628), (70, 2845726), (91, 2189020), (130, 1532314), (140, 1422863), (182, 1094510), (260, 766157), (364, 547255), (455, 437804), (910, 218902), (1820, 109451)]