558654850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3889}}^1$

素因数の和:3944

約数の個数: 72

約数和(自身を含む): 1191670380

約数和(自身を除く): 633015530

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 169, 170, 221, 325, 338, 425, 442, 650, 845, 850, 1105, 1690, 2210, 2873, 3889, 4225, 5525, 5746, 7778, 8450, 11050, 14365, 19445, 28730, 38890, 50557, 66113, 71825, 97225, 101114, 132226, 143650, 194450, 252785, 330565, 505570, 657241, 661130, 859469, 1263925, 1314482, 1652825, 1718938, 2527850, 3286205, 3305650, 4297345, 6572410, 8594690, 11173097, 16431025, 21486725, 22346194, 32862050, 42973450, 55865485, 111730970, 279327425, 558654850]

約数ペア:

[(1, 558654850), (2, 279327425), (5, 111730970), (10, 55865485), (13, 42973450), (17, 32862050), (25, 22346194), (26, 21486725), (34, 16431025), (50, 11173097), (65, 8594690), (85, 6572410), (130, 4297345), (169, 3305650), (170, 3286205), (221, 2527850), (325, 1718938), (338, 1652825), (425, 1314482), (442, 1263925), (650, 859469), (845, 661130), (850, 657241), (1105, 505570), (1690, 330565), (2210, 252785), (2873, 194450), (3889, 143650), (4225, 132226), (5525, 101114), (5746, 97225), (7778, 71825), (8450, 66113), (11050, 50557), (14365, 38890), (19445, 28730)]