68401480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244291}}^1$

素因数の和:244309

約数の個数: 32

約数和(自身を含む): 175890240

約数和(自身を除く): 107488760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244291, 488582, 977164, 1221455, 1710037, 1954328, 2442910, 3420074, 4885820, 6840148, 8550185, 9771640, 13680296, 17100370, 34200740, 68401480]

約数ペア:

[(1, 68401480), (2, 34200740), (4, 17100370), (5, 13680296), (7, 9771640), (8, 8550185), (10, 6840148), (14, 4885820), (20, 3420074), (28, 2442910), (35, 1954328), (40, 1710037), (56, 1221455), (70, 977164), (140, 488582), (280, 244291)]