246670255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 367718400

約数和(自身を除く): 121048145

約数列:

[1, 5, 13, 17, 19, 31, 65, 85, 95, 155, 221, 247, 323, 379, 403, 527, 589, 1105, 1235, 1615, 1895, 2015, 2635, 2945, 4199, 4927, 6443, 6851, 7201, 7657, 10013, 11749, 20995, 24635, 32215, 34255, 36005, 38285, 50065, 58745, 83759, 93613, 122417, 130169, 152737, 199733, 223231, 418795, 468065, 612085, 650845, 763685, 998665, 1116155, 1591421, 2596529, 2902003, 3794927, 7957105, 12982645, 14510015, 18974635, 49334051, 246670255]

約数ペア:

[(1, 246670255), (5, 49334051), (13, 18974635), (17, 14510015), (19, 12982645), (31, 7957105), (65, 3794927), (85, 2902003), (95, 2596529), (155, 1591421), (221, 1116155), (247, 998665), (323, 763685), (379, 650845), (403, 612085), (527, 468065), (589, 418795), (1105, 223231), (1235, 199733), (1615, 152737), (1895, 130169), (2015, 122417), (2635, 93613), (2945, 83759), (4199, 58745), (4927, 50065), (6443, 38285), (6851, 36005), (7201, 34255), (7657, 32215), (10013, 24635), (11749, 20995)]