66702440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238223}}^1$

素因数の和:238241

約数の個数: 32

約数和(自身を含む): 171521280

約数和(自身を除く): 104818840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238223, 476446, 952892, 1191115, 1667561, 1905784, 2382230, 3335122, 4764460, 6670244, 8337805, 9528920, 13340488, 16675610, 33351220, 66702440]

約数ペア:

[(1, 66702440), (2, 33351220), (4, 16675610), (5, 13340488), (7, 9528920), (8, 8337805), (10, 6670244), (14, 4764460), (20, 3335122), (28, 2382230), (35, 1905784), (40, 1667561), (56, 1191115), (70, 952892), (140, 476446), (280, 238223)]