72740470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{3323}}^1$

素因数の和:3540

約数の個数: 32

約数和(自身を含む): 143596800

約数和(自身を除く): 70856330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 3323, 4378, 6646, 10945, 16615, 21890, 33230, 36553, 73106, 182765, 365530, 661277, 1322554, 3306385, 6612770, 7274047, 14548094, 36370235, 72740470]

約数ペア:

[(1, 72740470), (2, 36370235), (5, 14548094), (10, 7274047), (11, 6612770), (22, 3306385), (55, 1322554), (110, 661277), (199, 365530), (398, 182765), (995, 73106), (1990, 36553), (2189, 33230), (3323, 21890), (4378, 16615), (6646, 10945)]