77210980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 204003072

約数和(自身を除く): 126792092

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 181, 220, 277, 308, 362, 385, 554, 724, 770, 905, 1108, 1267, 1385, 1540, 1810, 1939, 1991, 2534, 2770, 3047, 3620, 3878, 3982, 5068, 5540, 6094, 6335, 7756, 7964, 9695, 9955, 12188, 12670, 13937, 15235, 19390, 19910, 21329, 25340, 27874, 30470, 38780, 39820, 42658, 50137, 55748, 60940, 69685, 85316, 100274, 106645, 139370, 200548, 213290, 250685, 278740, 350959, 426580, 501370, 551507, 701918, 1002740, 1103014, 1403836, 1754795, 2206028, 2757535, 3509590, 3860549, 5515070, 7019180, 7721098, 11030140, 15442196, 19302745, 38605490, 77210980]

約数ペア:

[(1, 77210980), (2, 38605490), (4, 19302745), (5, 15442196), (7, 11030140), (10, 7721098), (11, 7019180), (14, 5515070), (20, 3860549), (22, 3509590), (28, 2757535), (35, 2206028), (44, 1754795), (55, 1403836), (70, 1103014), (77, 1002740), (110, 701918), (140, 551507), (154, 501370), (181, 426580), (220, 350959), (277, 278740), (308, 250685), (362, 213290), (385, 200548), (554, 139370), (724, 106645), (770, 100274), (905, 85316), (1108, 69685), (1267, 60940), (1385, 55748), (1540, 50137), (1810, 42658), (1939, 39820), (1991, 38780), (2534, 30470), (2770, 27874), (3047, 25340), (3620, 21329), (3878, 19910), (3982, 19390), (5068, 15235), (5540, 13937), (6094, 12670), (6335, 12188), (7756, 9955), (7964, 9695)]