307571905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 425243520

約数和(自身を除く): 117671615

約数列:

[1, 5, 17, 19, 43, 85, 95, 103, 215, 323, 515, 731, 817, 1615, 1751, 1849, 1957, 3655, 4085, 4429, 8755, 9245, 9785, 13889, 22145, 31433, 33269, 35131, 69445, 75293, 84151, 157165, 166345, 175655, 190447, 376465, 420755, 597227, 952235, 1430567, 2986135, 3237599, 3618493, 7152835, 16187995, 18092465, 61514381, 307571905]

約数ペア:

[(1, 307571905), (5, 61514381), (17, 18092465), (19, 16187995), (43, 7152835), (85, 3618493), (95, 3237599), (103, 2986135), (215, 1430567), (323, 952235), (515, 597227), (731, 420755), (817, 376465), (1615, 190447), (1751, 175655), (1849, 166345), (1957, 157165), (3655, 84151), (4085, 75293), (4429, 69445), (8755, 35131), (9245, 33269), (9785, 31433), (13889, 22145)]