145480940

素因数分解:

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

素因数の和:3542

約数の個数: 48

約数和(自身を含む): 335059200

約数和(自身を除く): 189578260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3323, 3980, 4378, 6646, 8756, 10945, 13292, 16615, 21890, 33230, 36553, 43780, 66460, 73106, 146212, 182765, 365530, 661277, 731060, 1322554, 2645108, 3306385, 6612770, 7274047, 13225540, 14548094, 29096188, 36370235, 72740470, 145480940]

約数ペア:

[(1, 145480940), (2, 72740470), (4, 36370235), (5, 29096188), (10, 14548094), (11, 13225540), (20, 7274047), (22, 6612770), (44, 3306385), (55, 2645108), (110, 1322554), (199, 731060), (220, 661277), (398, 365530), (796, 182765), (995, 146212), (1990, 73106), (2189, 66460), (3323, 43780), (3980, 36553), (4378, 33230), (6646, 21890), (8756, 16615), (10945, 13292)]