207930520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{106087}}^1$

素因数の和:106112

約数の個数: 48

約数和(自身を含む): 544231440

約数和(自身を除く): 336300920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 106087, 212174, 424348, 530435, 742609, 848696, 1060870, 1485218, 2121740, 2970436, 3713045, 4243480, 5198263, 5940872, 7426090, 10396526, 14852180, 20793052, 25991315, 29704360, 41586104, 51982630, 103965260, 207930520]

約数ペア:

[(1, 207930520), (2, 103965260), (4, 51982630), (5, 41586104), (7, 29704360), (8, 25991315), (10, 20793052), (14, 14852180), (20, 10396526), (28, 7426090), (35, 5940872), (40, 5198263), (49, 4243480), (56, 3713045), (70, 2970436), (98, 2121740), (140, 1485218), (196, 1060870), (245, 848696), (280, 742609), (392, 530435), (490, 424348), (980, 212174), (1960, 106087)]