287740040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1027643}}^1$

素因数の和:1027661

約数の個数: 32

約数和(自身を含む): 739903680

約数和(自身を除く): 452163640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1027643, 2055286, 4110572, 5138215, 7193501, 8221144, 10276430, 14387002, 20552860, 28774004, 35967505, 41105720, 57548008, 71935010, 143870020, 287740040]

約数ペア:

[(1, 287740040), (2, 143870020), (4, 71935010), (5, 57548008), (7, 41105720), (8, 35967505), (10, 28774004), (14, 20552860), (20, 14387002), (28, 10276430), (35, 8221144), (40, 7193501), (56, 5138215), (70, 4110572), (140, 2055286), (280, 1027643)]