7779380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 18834816

約数和(自身を除く): 11055436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 307, 362, 614, 724, 905, 1228, 1267, 1535, 1810, 2149, 2534, 3070, 3620, 4298, 5068, 6140, 6335, 8596, 10745, 12670, 21490, 25340, 42980, 55567, 111134, 222268, 277835, 388969, 555670, 777938, 1111340, 1555876, 1944845, 3889690, 7779380]

約数ペア:

[(1, 7779380), (2, 3889690), (4, 1944845), (5, 1555876), (7, 1111340), (10, 777938), (14, 555670), (20, 388969), (28, 277835), (35, 222268), (70, 111134), (140, 55567), (181, 42980), (307, 25340), (362, 21490), (614, 12670), (724, 10745), (905, 8596), (1228, 6335), (1267, 6140), (1535, 5068), (1810, 4298), (2149, 3620), (2534, 3070)]