71157260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{853}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 154662816

約数和(自身を除く): 83505556

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 430, 485, 853, 860, 970, 1706, 1940, 3412, 4171, 4265, 8342, 8530, 16684, 17060, 20855, 36679, 41710, 73358, 82741, 83420, 146716, 165482, 183395, 330964, 366790, 413705, 733580, 827410, 1654820, 3557863, 7115726, 14231452, 17789315, 35578630, 71157260]

約数ペア:

[(1, 71157260), (2, 35578630), (4, 17789315), (5, 14231452), (10, 7115726), (20, 3557863), (43, 1654820), (86, 827410), (97, 733580), (172, 413705), (194, 366790), (215, 330964), (388, 183395), (430, 165482), (485, 146716), (853, 83420), (860, 82741), (970, 73358), (1706, 41710), (1940, 36679), (3412, 20855), (4171, 17060), (4265, 16684), (8342, 8530)]