164025380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{1123}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 353115840

約数和(自身を除く): 189090460

約数列:

[1, 2, 4, 5, 10, 20, 67, 109, 134, 218, 268, 335, 436, 545, 670, 1090, 1123, 1340, 2180, 2246, 4492, 5615, 7303, 11230, 14606, 22460, 29212, 36515, 73030, 75241, 122407, 146060, 150482, 244814, 300964, 376205, 489628, 612035, 752410, 1224070, 1504820, 2448140, 8201269, 16402538, 32805076, 41006345, 82012690, 164025380]

約数ペア:

[(1, 164025380), (2, 82012690), (4, 41006345), (5, 32805076), (10, 16402538), (20, 8201269), (67, 2448140), (109, 1504820), (134, 1224070), (218, 752410), (268, 612035), (335, 489628), (436, 376205), (545, 300964), (670, 244814), (1090, 150482), (1123, 146060), (1340, 122407), (2180, 75241), (2246, 73030), (4492, 36515), (5615, 29212), (7303, 22460), (11230, 14606)]