140931280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251663}}^1$

素因数の和:251683

約数の個数: 40

約数和(自身を含む): 374476032

約数和(自身を除く): 233544752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 251663, 503326, 1006652, 1258315, 1761641, 2013304, 2516630, 3523282, 4026608, 5033260, 7046564, 8808205, 10066520, 14093128, 17616410, 20133040, 28186256, 35232820, 70465640, 140931280]

約数ペア:

[(1, 140931280), (2, 70465640), (4, 35232820), (5, 28186256), (7, 20133040), (8, 17616410), (10, 14093128), (14, 10066520), (16, 8808205), (20, 7046564), (28, 5033260), (35, 4026608), (40, 3523282), (56, 2516630), (70, 2013304), (80, 1761641), (112, 1258315), (140, 1006652), (280, 503326), (560, 251663)]