2960140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1663}}^1$

素因数の和:1761

約数の個数: 24

約数和(自身を含む): 6289920

約数和(自身を除く): 3329780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1663, 1780, 3326, 6652, 8315, 16630, 33260, 148007, 296014, 592028, 740035, 1480070, 2960140]

約数ペア:

[(1, 2960140), (2, 1480070), (4, 740035), (5, 592028), (10, 296014), (20, 148007), (89, 33260), (178, 16630), (356, 8315), (445, 6652), (890, 3326), (1663, 1780)]