7898140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3623}}^1$

素因数の和:3741

約数の個数: 24

約数和(自身を含む): 16742880

約数和(自身を除く): 8844740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 3623, 7246, 14492, 18115, 36230, 72460, 394907, 789814, 1579628, 1974535, 3949070, 7898140]

約数ペア:

[(1, 7898140), (2, 3949070), (4, 1974535), (5, 1579628), (10, 789814), (20, 394907), (109, 72460), (218, 36230), (436, 18115), (545, 14492), (1090, 7246), (2180, 3623)]