77291480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{276041}}^1$

素因数の和:276059

約数の個数: 32

約数和(自身を含む): 198750240

約数和(自身を除く): 121458760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 276041, 552082, 1104164, 1380205, 1932287, 2208328, 2760410, 3864574, 5520820, 7729148, 9661435, 11041640, 15458296, 19322870, 38645740, 77291480]

約数ペア:

[(1, 77291480), (2, 38645740), (4, 19322870), (5, 15458296), (7, 11041640), (8, 9661435), (10, 7729148), (14, 5520820), (20, 3864574), (28, 2760410), (35, 2208328), (40, 1932287), (56, 1380205), (70, 1104164), (140, 552082), (280, 276041)]