178187436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5087}}^1$

素因数の和:5243

約数の個数: 72

約数和(自身を含む): 518568960

約数和(自身を除く): 340381524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 834, 973, 1251, 1668, 1946, 2502, 2919, 3892, 5004, 5087, 5838, 8757, 10174, 11676, 15261, 17514, 20348, 30522, 35028, 35609, 45783, 61044, 71218, 91566, 106827, 142436, 183132, 213654, 320481, 427308, 640962, 707093, 1281924, 1414186, 2121279, 2828372, 4242558, 4949651, 6363837, 8485116, 9899302, 12727674, 14848953, 19798604, 25455348, 29697906, 44546859, 59395812, 89093718, 178187436]

約数ペア:

[(1, 178187436), (2, 89093718), (3, 59395812), (4, 44546859), (6, 29697906), (7, 25455348), (9, 19798604), (12, 14848953), (14, 12727674), (18, 9899302), (21, 8485116), (28, 6363837), (36, 4949651), (42, 4242558), (63, 2828372), (84, 2121279), (126, 1414186), (139, 1281924), (252, 707093), (278, 640962), (417, 427308), (556, 320481), (834, 213654), (973, 183132), (1251, 142436), (1668, 106827), (1946, 91566), (2502, 71218), (2919, 61044), (3892, 45783), (5004, 35609), (5087, 35028), (5838, 30522), (8757, 20348), (10174, 17514), (11676, 15261)]