140998180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1607}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 306343296

約数和(自身を除く): 165345116

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 410, 428, 535, 820, 1070, 1607, 2140, 3214, 4387, 6428, 8035, 8774, 16070, 17548, 21935, 32140, 43870, 65887, 87740, 131774, 171949, 263548, 329435, 343898, 658870, 687796, 859745, 1317740, 1719490, 3438980, 7049909, 14099818, 28199636, 35249545, 70499090, 140998180]

約数ペア:

[(1, 140998180), (2, 70499090), (4, 35249545), (5, 28199636), (10, 14099818), (20, 7049909), (41, 3438980), (82, 1719490), (107, 1317740), (164, 859745), (205, 687796), (214, 658870), (410, 343898), (428, 329435), (535, 263548), (820, 171949), (1070, 131774), (1607, 87740), (2140, 65887), (3214, 43870), (4387, 32140), (6428, 21935), (8035, 17548), (8774, 16070)]