128927260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83719}}^1$

素因数の和:83746

約数の個数: 48

約数和(自身を含む): 337559040

約数和(自身を除く): 208631780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 83719, 167438, 334876, 418595, 586033, 837190, 920909, 1172066, 1674380, 1841818, 2344132, 2930165, 3683636, 4604545, 5860330, 6446363, 9209090, 11720660, 12892726, 18418180, 25785452, 32231815, 64463630, 128927260]

約数ペア:

[(1, 128927260), (2, 64463630), (4, 32231815), (5, 25785452), (7, 18418180), (10, 12892726), (11, 11720660), (14, 9209090), (20, 6446363), (22, 5860330), (28, 4604545), (35, 3683636), (44, 2930165), (55, 2344132), (70, 1841818), (77, 1674380), (110, 1172066), (140, 920909), (154, 837190), (220, 586033), (308, 418595), (385, 334876), (770, 167438), (1540, 83719)]