214996840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{39233}}^1$

素因数の和:39381

約数の個数: 32

約数和(自身を含む): 487286280

約数和(自身を除く): 272289440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 39233, 78466, 156932, 196165, 313864, 392330, 784660, 1569320, 5374921, 10749842, 21499684, 26874605, 42999368, 53749210, 107498420, 214996840]

約数ペア:

[(1, 214996840), (2, 107498420), (4, 53749210), (5, 42999368), (8, 26874605), (10, 21499684), (20, 10749842), (40, 5374921), (137, 1569320), (274, 784660), (548, 392330), (685, 313864), (1096, 196165), (1370, 156932), (2740, 78466), (5480, 39233)]