89340860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4591}}^1$

素因数の和:4746

約数の個数: 48

約数和(自身を含む): 216007680

約数和(自身を除く): 126666820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4591, 4865, 9182, 9730, 18364, 19460, 22955, 32137, 45910, 64274, 91820, 128548, 160685, 321370, 638149, 642740, 1276298, 2552596, 3190745, 4467043, 6381490, 8934086, 12762980, 17868172, 22335215, 44670430, 89340860]

約数ペア:

[(1, 89340860), (2, 44670430), (4, 22335215), (5, 17868172), (7, 12762980), (10, 8934086), (14, 6381490), (20, 4467043), (28, 3190745), (35, 2552596), (70, 1276298), (139, 642740), (140, 638149), (278, 321370), (556, 160685), (695, 128548), (973, 91820), (1390, 64274), (1946, 45910), (2780, 32137), (3892, 22955), (4591, 19460), (4865, 18364), (9182, 9730)]