28976710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21787}}^1$

素因数の和:21820

約数の個数: 32

約数和(自身を含む): 62749440

約数和(自身を除く): 33772730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 21787, 43574, 108935, 152509, 217870, 305018, 413953, 762545, 827906, 1525090, 2069765, 2897671, 4139530, 5795342, 14488355, 28976710]

約数ペア:

[(1, 28976710), (2, 14488355), (5, 5795342), (7, 4139530), (10, 2897671), (14, 2069765), (19, 1525090), (35, 827906), (38, 762545), (70, 413953), (95, 305018), (133, 217870), (190, 152509), (266, 108935), (665, 43574), (1330, 21787)]