1891420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5563}}^1$

素因数の和:5589

約数の個数: 24

約数和(自身を含む): 4206384

約数和(自身を除く): 2314964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5563, 11126, 22252, 27815, 55630, 94571, 111260, 189142, 378284, 472855, 945710, 1891420]

約数ペア:

[(1, 1891420), (2, 945710), (4, 472855), (5, 378284), (10, 189142), (17, 111260), (20, 94571), (34, 55630), (68, 27815), (85, 22252), (170, 11126), (340, 5563)]