2013389140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{131939}}^1$

素因数の和:132064

約数の個数: 48

約数和(自身を含む): 4876502400

約数和(自身を除く): 2863113260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 131939, 263878, 527756, 659695, 923573, 1319390, 1847146, 2638780, 3694292, 4617865, 9235730, 14381351, 18471460, 28762702, 57525404, 71906755, 100669457, 143813510, 201338914, 287627020, 402677828, 503347285, 1006694570, 2013389140]

約数ペア:

[(1, 2013389140), (2, 1006694570), (4, 503347285), (5, 402677828), (7, 287627020), (10, 201338914), (14, 143813510), (20, 100669457), (28, 71906755), (35, 57525404), (70, 28762702), (109, 18471460), (140, 14381351), (218, 9235730), (436, 4617865), (545, 3694292), (763, 2638780), (1090, 1847146), (1526, 1319390), (2180, 923573), (3052, 659695), (3815, 527756), (7630, 263878), (15260, 131939)]