139102180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{141941}}^1$

素因数の和:141964

約数の個数: 36

約数和(自身を含む): 339809148

約数和(自身を除く): 200706968

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 141941, 283882, 567764, 709705, 993587, 1419410, 1987174, 2838820, 3974348, 4967935, 6955109, 9935870, 13910218, 19871740, 27820436, 34775545, 69551090, 139102180]

約数ペア:

[(1, 139102180), (2, 69551090), (4, 34775545), (5, 27820436), (7, 19871740), (10, 13910218), (14, 9935870), (20, 6955109), (28, 4967935), (35, 3974348), (49, 2838820), (70, 1987174), (98, 1419410), (140, 993587), (196, 709705), (245, 567764), (490, 283882), (980, 141941)]