31054870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1357

約数の個数: 64

約数和(自身を含む): 71995392

約数和(自身を除く): 40940522

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 110, 154, 155, 217, 310, 341, 385, 434, 682, 770, 1085, 1301, 1705, 2170, 2387, 2602, 3410, 4774, 6505, 9107, 11935, 13010, 14311, 18214, 23870, 28622, 40331, 45535, 71555, 80662, 91070, 100177, 143110, 200354, 201655, 282317, 403310, 443641, 500885, 564634, 887282, 1001770, 1411585, 2218205, 2823170, 3105487, 4436410, 6210974, 15527435, 31054870]

約数ペア:

[(1, 31054870), (2, 15527435), (5, 6210974), (7, 4436410), (10, 3105487), (11, 2823170), (14, 2218205), (22, 1411585), (31, 1001770), (35, 887282), (55, 564634), (62, 500885), (70, 443641), (77, 403310), (110, 282317), (154, 201655), (155, 200354), (217, 143110), (310, 100177), (341, 91070), (385, 80662), (434, 71555), (682, 45535), (770, 40331), (1085, 28622), (1301, 23870), (1705, 18214), (2170, 14311), (2387, 13010), (2602, 11935), (3410, 9107), (4774, 6505)]