85224440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304373}}^1$

素因数の和:304391

約数の個数: 32

約数和(自身を含む): 219149280

約数和(自身を除く): 133924840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304373, 608746, 1217492, 1521865, 2130611, 2434984, 3043730, 4261222, 6087460, 8522444, 10653055, 12174920, 17044888, 21306110, 42612220, 85224440]

約数ペア:

[(1, 85224440), (2, 42612220), (4, 21306110), (5, 17044888), (7, 12174920), (8, 10653055), (10, 8522444), (14, 6087460), (20, 4261222), (28, 3043730), (35, 2434984), (40, 2130611), (56, 1521865), (70, 1217492), (140, 608746), (280, 304373)]