66697960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238207}}^1$

素因数の和:238225

約数の個数: 32

約数和(自身を含む): 171509760

約数和(自身を除く): 104811800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238207, 476414, 952828, 1191035, 1667449, 1905656, 2382070, 3334898, 4764140, 6669796, 8337245, 9528280, 13339592, 16674490, 33348980, 66697960]

約数ペア:

[(1, 66697960), (2, 33348980), (4, 16674490), (5, 13339592), (7, 9528280), (8, 8337245), (10, 6669796), (14, 4764140), (20, 3334898), (28, 2382070), (35, 1905656), (40, 1667449), (56, 1191035), (70, 952828), (140, 476414), (280, 238207)]