170390990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{20117}}^1$

素因数の和:20153

約数の個数: 48

約数和(自身を含む): 385299936

約数和(自身を除く): 214908946

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 385, 605, 770, 847, 1210, 1694, 4235, 8470, 20117, 40234, 100585, 140819, 201170, 221287, 281638, 442574, 704095, 1106435, 1408190, 1549009, 2212870, 2434157, 3098018, 4868314, 7745045, 12170785, 15490090, 17039099, 24341570, 34078198, 85195495, 170390990]

約数ペア:

[(1, 170390990), (2, 85195495), (5, 34078198), (7, 24341570), (10, 17039099), (11, 15490090), (14, 12170785), (22, 7745045), (35, 4868314), (55, 3098018), (70, 2434157), (77, 2212870), (110, 1549009), (121, 1408190), (154, 1106435), (242, 704095), (385, 442574), (605, 281638), (770, 221287), (847, 201170), (1210, 140819), (1694, 100585), (4235, 40234), (8470, 20117)]