154946260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1987}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 372726144

約数和(自身を除く): 217779884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 1114, 1987, 2228, 2785, 3899, 3974, 5570, 7798, 7948, 9935, 11140, 13909, 15596, 19495, 19870, 27818, 38990, 39740, 55636, 69545, 77980, 139090, 278180, 1106759, 2213518, 4427036, 5533795, 7747313, 11067590, 15494626, 22135180, 30989252, 38736565, 77473130, 154946260]

約数ペア:

[(1, 154946260), (2, 77473130), (4, 38736565), (5, 30989252), (7, 22135180), (10, 15494626), (14, 11067590), (20, 7747313), (28, 5533795), (35, 4427036), (70, 2213518), (140, 1106759), (557, 278180), (1114, 139090), (1987, 77980), (2228, 69545), (2785, 55636), (3899, 39740), (3974, 38990), (5570, 27818), (7798, 19870), (7948, 19495), (9935, 15596), (11140, 13909)]