2116729825

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{2731}}^1$

素因数の和:2894

約数の個数: 48

約数和(自身を含む): 3100404736

約数和(自身を除く): 983674911

約数列:

[1, 5, 7, 25, 35, 43, 103, 175, 215, 301, 515, 721, 1075, 1505, 2575, 2731, 3605, 4429, 7525, 13655, 18025, 19117, 22145, 31003, 68275, 95585, 110725, 117433, 155015, 281293, 477925, 587165, 775075, 822031, 1406465, 1969051, 2935825, 4110155, 7032325, 9845255, 12095599, 20550775, 49226275, 60477995, 84669193, 302389975, 423345965, 2116729825]

約数ペア:

[(1, 2116729825), (5, 423345965), (7, 302389975), (25, 84669193), (35, 60477995), (43, 49226275), (103, 20550775), (175, 12095599), (215, 9845255), (301, 7032325), (515, 4110155), (721, 2935825), (1075, 1969051), (1505, 1406465), (2575, 822031), (2731, 775075), (3605, 587165), (4429, 477925), (7525, 281293), (13655, 155015), (18025, 117433), (19117, 110725), (22145, 95585), (31003, 68275)]