140485520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{250867}}^1$

素因数の和:250887

約数の個数: 40

約数和(自身を含む): 373291584

約数和(自身を除く): 232806064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 250867, 501734, 1003468, 1254335, 1756069, 2006936, 2508670, 3512138, 4013872, 5017340, 7024276, 8780345, 10034680, 14048552, 17560690, 20069360, 28097104, 35121380, 70242760, 140485520]

約数ペア:

[(1, 140485520), (2, 70242760), (4, 35121380), (5, 28097104), (7, 20069360), (8, 17560690), (10, 14048552), (14, 10034680), (16, 8780345), (20, 7024276), (28, 5017340), (35, 4013872), (40, 3512138), (56, 2508670), (70, 2006936), (80, 1756069), (112, 1254335), (140, 1003468), (280, 501734), (560, 250867)]