108685640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{388163}}^1$

素因数の和:388181

約数の個数: 32

約数和(自身を含む): 279478080

約数和(自身を除く): 170792440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 388163, 776326, 1552652, 1940815, 2717141, 3105304, 3881630, 5434282, 7763260, 10868564, 13585705, 15526520, 21737128, 27171410, 54342820, 108685640]

約数ペア:

[(1, 108685640), (2, 54342820), (4, 27171410), (5, 21737128), (7, 15526520), (8, 13585705), (10, 10868564), (14, 7763260), (20, 5434282), (28, 3881630), (35, 3105304), (40, 2717141), (56, 1940815), (70, 1552652), (140, 776326), (280, 388163)]