7883620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 17297280

約数和(自身を除く): 9413660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 103, 172, 178, 206, 215, 356, 412, 430, 445, 515, 860, 890, 1030, 1780, 2060, 3827, 4429, 7654, 8858, 9167, 15308, 17716, 18334, 19135, 22145, 36668, 38270, 44290, 45835, 76540, 88580, 91670, 183340, 394181, 788362, 1576724, 1970905, 3941810, 7883620]

約数ペア:

[(1, 7883620), (2, 3941810), (4, 1970905), (5, 1576724), (10, 788362), (20, 394181), (43, 183340), (86, 91670), (89, 88580), (103, 76540), (172, 45835), (178, 44290), (206, 38270), (215, 36668), (356, 22145), (412, 19135), (430, 18334), (445, 17716), (515, 15308), (860, 9167), (890, 8858), (1030, 7654), (1780, 4429), (2060, 3827)]