131700520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{470359}}^1$

素因数の和:470377

約数の個数: 32

約数和(自身を含む): 338659200

約数和(自身を除く): 206958680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 470359, 940718, 1881436, 2351795, 3292513, 3762872, 4703590, 6585026, 9407180, 13170052, 16462565, 18814360, 26340104, 32925130, 65850260, 131700520]

約数ペア:

[(1, 131700520), (2, 65850260), (4, 32925130), (5, 26340104), (7, 18814360), (8, 16462565), (10, 13170052), (14, 9407180), (20, 6585026), (28, 4703590), (35, 3762872), (40, 3292513), (56, 2351795), (70, 1881436), (140, 940718), (280, 470359)]