79982980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 211341312

約数和(自身を除く): 131358332

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 167, 220, 308, 311, 334, 385, 622, 668, 770, 835, 1169, 1244, 1540, 1555, 1670, 1837, 2177, 2338, 3110, 3340, 3421, 3674, 4354, 4676, 5845, 6220, 6842, 7348, 8708, 9185, 10885, 11690, 12859, 13684, 17105, 18370, 21770, 23380, 23947, 25718, 34210, 36740, 43540, 47894, 51436, 51937, 64295, 68420, 95788, 103874, 119735, 128590, 207748, 239470, 257180, 259685, 363559, 478940, 519370, 571307, 727118, 1038740, 1142614, 1454236, 1817795, 2285228, 2856535, 3635590, 3999149, 5713070, 7271180, 7998298, 11426140, 15996596, 19995745, 39991490, 79982980]

約数ペア:

[(1, 79982980), (2, 39991490), (4, 19995745), (5, 15996596), (7, 11426140), (10, 7998298), (11, 7271180), (14, 5713070), (20, 3999149), (22, 3635590), (28, 2856535), (35, 2285228), (44, 1817795), (55, 1454236), (70, 1142614), (77, 1038740), (110, 727118), (140, 571307), (154, 519370), (167, 478940), (220, 363559), (308, 259685), (311, 257180), (334, 239470), (385, 207748), (622, 128590), (668, 119735), (770, 103874), (835, 95788), (1169, 68420), (1244, 64295), (1540, 51937), (1555, 51436), (1670, 47894), (1837, 43540), (2177, 36740), (2338, 34210), (3110, 25718), (3340, 23947), (3421, 23380), (3674, 21770), (4354, 18370), (4676, 17105), (5845, 13684), (6220, 12859), (6842, 11690), (7348, 10885), (8708, 9185)]