455560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1627}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 1172160

約数和(自身を除く): 716600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1627, 3254, 6508, 8135, 11389, 13016, 16270, 22778, 32540, 45556, 56945, 65080, 91112, 113890, 227780, 455560]

約数ペア:

[(1, 455560), (2, 227780), (4, 113890), (5, 91112), (7, 65080), (8, 56945), (10, 45556), (14, 32540), (20, 22778), (28, 16270), (35, 13016), (40, 11389), (56, 8135), (70, 6508), (140, 3254), (280, 1627)]