55787480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{28463}}^1$

素因数の和:28488

約数の個数: 48

約数和(自身を含む): 146020320

約数和(自身を除く): 90232840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 28463, 56926, 113852, 142315, 199241, 227704, 284630, 398482, 569260, 796964, 996205, 1138520, 1394687, 1593928, 1992410, 2789374, 3984820, 5578748, 6973435, 7969640, 11157496, 13946870, 27893740, 55787480]

約数ペア:

[(1, 55787480), (2, 27893740), (4, 13946870), (5, 11157496), (7, 7969640), (8, 6973435), (10, 5578748), (14, 3984820), (20, 2789374), (28, 1992410), (35, 1593928), (40, 1394687), (49, 1138520), (56, 996205), (70, 796964), (98, 569260), (140, 398482), (196, 284630), (245, 227704), (280, 199241), (392, 142315), (490, 113852), (980, 56926), (1960, 28463)]