43689380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 107969400

約数和(自身を除く): 64280020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 409, 436, 490, 545, 763, 818, 980, 1090, 1526, 1636, 2045, 2180, 2863, 3052, 3815, 4090, 5341, 5726, 7630, 8180, 10682, 11452, 14315, 15260, 20041, 21364, 26705, 28630, 40082, 44581, 53410, 57260, 80164, 89162, 100205, 106820, 178324, 200410, 222905, 312067, 400820, 445810, 624134, 891620, 1248268, 1560335, 2184469, 3120670, 4368938, 6241340, 8737876, 10922345, 21844690, 43689380]

約数ペア:

[(1, 43689380), (2, 21844690), (4, 10922345), (5, 8737876), (7, 6241340), (10, 4368938), (14, 3120670), (20, 2184469), (28, 1560335), (35, 1248268), (49, 891620), (70, 624134), (98, 445810), (109, 400820), (140, 312067), (196, 222905), (218, 200410), (245, 178324), (409, 106820), (436, 100205), (490, 89162), (545, 80164), (763, 57260), (818, 53410), (980, 44581), (1090, 40082), (1526, 28630), (1636, 26705), (2045, 21364), (2180, 20041), (2863, 15260), (3052, 14315), (3815, 11452), (4090, 10682), (5341, 8180), (5726, 7630)]