57190280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{204251}}^1$

素因数の和:204269

約数の個数: 32

約数和(自身を含む): 147061440

約数和(自身を除く): 89871160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 204251, 408502, 817004, 1021255, 1429757, 1634008, 2042510, 2859514, 4085020, 5719028, 7148785, 8170040, 11438056, 14297570, 28595140, 57190280]

約数ペア:

[(1, 57190280), (2, 28595140), (4, 14297570), (5, 11438056), (7, 8170040), (8, 7148785), (10, 5719028), (14, 4085020), (20, 2859514), (28, 2042510), (35, 1634008), (40, 1429757), (56, 1021255), (70, 817004), (140, 408502), (280, 204251)]