42700790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20431}}^1$

素因数の和:20468

約数の個数: 32

約数和(自身を含む): 88266240

約数和(自身を除く): 45565450

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 20431, 40862, 102155, 204310, 224741, 388189, 449482, 776378, 1123705, 1940945, 2247410, 3881890, 4270079, 8540158, 21350395, 42700790]

約数ペア:

[(1, 42700790), (2, 21350395), (5, 8540158), (10, 4270079), (11, 3881890), (19, 2247410), (22, 1940945), (38, 1123705), (55, 776378), (95, 449482), (110, 388189), (190, 224741), (209, 204310), (418, 102155), (1045, 40862), (2090, 20431)]