17998120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64279}}^1$

素因数の和:64297

約数の個数: 32

約数和(自身を含む): 46281600

約数和(自身を除く): 28283480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64279, 128558, 257116, 321395, 449953, 514232, 642790, 899906, 1285580, 1799812, 2249765, 2571160, 3599624, 4499530, 8999060, 17998120]

約数ペア:

[(1, 17998120), (2, 8999060), (4, 4499530), (5, 3599624), (7, 2571160), (8, 2249765), (10, 1799812), (14, 1285580), (20, 899906), (28, 642790), (35, 514232), (40, 449953), (56, 321395), (70, 257116), (140, 128558), (280, 64279)]