34457620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 74954880

約数和(自身を除く): 40497260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 103, 172, 206, 215, 389, 412, 430, 515, 778, 860, 1030, 1556, 1945, 2060, 3890, 4429, 7780, 8858, 16727, 17716, 22145, 33454, 40067, 44290, 66908, 80134, 83635, 88580, 160268, 167270, 200335, 334540, 400670, 801340, 1722881, 3445762, 6891524, 8614405, 17228810, 34457620]

約数ペア:

[(1, 34457620), (2, 17228810), (4, 8614405), (5, 6891524), (10, 3445762), (20, 1722881), (43, 801340), (86, 400670), (103, 334540), (172, 200335), (206, 167270), (215, 160268), (389, 88580), (412, 83635), (430, 80134), (515, 66908), (778, 44290), (860, 40067), (1030, 33454), (1556, 22145), (1945, 17716), (2060, 16727), (3890, 8858), (4429, 7780)]