78846460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51199}}^1$

素因数の和:51226

約数の個数: 48

約数和(自身を含む): 206438400

約数和(自身を除く): 127591940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 51199, 102398, 204796, 255995, 358393, 511990, 563189, 716786, 1023980, 1126378, 1433572, 1791965, 2252756, 2815945, 3583930, 3942323, 5631890, 7167860, 7884646, 11263780, 15769292, 19711615, 39423230, 78846460]

約数ペア:

[(1, 78846460), (2, 39423230), (4, 19711615), (5, 15769292), (7, 11263780), (10, 7884646), (11, 7167860), (14, 5631890), (20, 3942323), (22, 3583930), (28, 2815945), (35, 2252756), (44, 1791965), (55, 1433572), (70, 1126378), (77, 1023980), (110, 716786), (140, 563189), (154, 511990), (220, 358393), (308, 255995), (385, 204796), (770, 102398), (1540, 51199)]