40386290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{82421}}^1$

素因数の和:82442

約数の個数: 24

約数和(自身を含む): 84564972

約数和(自身を除く): 44178682

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 82421, 164842, 412105, 576947, 824210, 1153894, 2884735, 4038629, 5769470, 8077258, 20193145, 40386290]

約数ペア:

[(1, 40386290), (2, 20193145), (5, 8077258), (7, 5769470), (10, 4038629), (14, 2884735), (35, 1153894), (49, 824210), (70, 576947), (98, 412105), (245, 164842), (490, 82421)]