3217480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11491}}^1$

素因数の和:11509

約数の個数: 32

約数和(自身を含む): 8274240

約数和(自身を除く): 5056760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 11491, 22982, 45964, 57455, 80437, 91928, 114910, 160874, 229820, 321748, 402185, 459640, 643496, 804370, 1608740, 3217480]

約数ペア:

[(1, 3217480), (2, 1608740), (4, 804370), (5, 643496), (7, 459640), (8, 402185), (10, 321748), (14, 229820), (20, 160874), (28, 114910), (35, 91928), (40, 80437), (56, 57455), (70, 45964), (140, 22982), (280, 11491)]