38963140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 84213360

約数和(自身を除く): 45250220

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 244, 293, 305, 436, 545, 586, 610, 1090, 1172, 1220, 1465, 2180, 2930, 5860, 6649, 13298, 17873, 26596, 31937, 33245, 35746, 63874, 66490, 71492, 89365, 127748, 132980, 159685, 178730, 319370, 357460, 638740, 1948157, 3896314, 7792628, 9740785, 19481570, 38963140]

約数ペア:

[(1, 38963140), (2, 19481570), (4, 9740785), (5, 7792628), (10, 3896314), (20, 1948157), (61, 638740), (109, 357460), (122, 319370), (218, 178730), (244, 159685), (293, 132980), (305, 127748), (436, 89365), (545, 71492), (586, 66490), (610, 63874), (1090, 35746), (1172, 33245), (1220, 31937), (1465, 26596), (2180, 17873), (2930, 13298), (5860, 6649)]