129797140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{1291}}^1$

素因数の和:1768

約数の個数: 48

約数和(自身を含む): 298234944

約数和(自身を除く): 168437804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 457, 914, 1291, 1828, 2285, 2582, 4570, 5027, 5164, 6455, 9140, 10054, 12910, 14201, 20108, 25135, 25820, 28402, 50270, 56804, 71005, 100540, 142010, 284020, 589987, 1179974, 2359948, 2949935, 5899870, 6489857, 11799740, 12979714, 25959428, 32449285, 64898570, 129797140]

約数ペア:

[(1, 129797140), (2, 64898570), (4, 32449285), (5, 25959428), (10, 12979714), (11, 11799740), (20, 6489857), (22, 5899870), (44, 2949935), (55, 2359948), (110, 1179974), (220, 589987), (457, 284020), (914, 142010), (1291, 100540), (1828, 71005), (2285, 56804), (2582, 50270), (4570, 28402), (5027, 25820), (5164, 25135), (6455, 20108), (9140, 14201), (10054, 12910)]