87847480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313741}}^1$

素因数の和:313759

約数の個数: 32

約数和(自身を含む): 225894240

約数和(自身を除く): 138046760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313741, 627482, 1254964, 1568705, 2196187, 2509928, 3137410, 4392374, 6274820, 8784748, 10980935, 12549640, 17569496, 21961870, 43923740, 87847480]

約数ペア:

[(1, 87847480), (2, 43923740), (4, 21961870), (5, 17569496), (7, 12549640), (8, 10980935), (10, 8784748), (14, 6274820), (20, 4392374), (28, 3137410), (35, 2509928), (40, 2196187), (56, 1568705), (70, 1254964), (140, 627482), (280, 313741)]