2019979640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{16661}}^1$

素因数の和:17112

約数の個数: 64

約数和(自身を含む): 5206541760

約数和(自身を除く): 3186562120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 433, 866, 1732, 2165, 3031, 3464, 4330, 6062, 8660, 12124, 15155, 16661, 17320, 24248, 30310, 33322, 60620, 66644, 83305, 116627, 121240, 133288, 166610, 233254, 333220, 466508, 583135, 666440, 933016, 1166270, 2332540, 4665080, 7214213, 14428426, 28856852, 36071065, 50499491, 57713704, 72142130, 100998982, 144284260, 201997964, 252497455, 288568520, 403995928, 504994910, 1009989820, 2019979640]

約数ペア:

[(1, 2019979640), (2, 1009989820), (4, 504994910), (5, 403995928), (7, 288568520), (8, 252497455), (10, 201997964), (14, 144284260), (20, 100998982), (28, 72142130), (35, 57713704), (40, 50499491), (56, 36071065), (70, 28856852), (140, 14428426), (280, 7214213), (433, 4665080), (866, 2332540), (1732, 1166270), (2165, 933016), (3031, 666440), (3464, 583135), (4330, 466508), (6062, 333220), (8660, 233254), (12124, 166610), (15155, 133288), (16661, 121240), (17320, 116627), (24248, 83305), (30310, 66644), (33322, 60620)]