130620440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{171869}}^1$

素因数の和:171899

約数の個数: 32

約数和(自身を含む): 309366000

約数和(自身を除く): 178745560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 171869, 343738, 687476, 859345, 1374952, 1718690, 3265511, 3437380, 6531022, 6874760, 13062044, 16327555, 26124088, 32655110, 65310220, 130620440]

約数ペア:

[(1, 130620440), (2, 65310220), (4, 32655110), (5, 26124088), (8, 16327555), (10, 13062044), (19, 6874760), (20, 6531022), (38, 3437380), (40, 3265511), (76, 1718690), (95, 1374952), (152, 859345), (190, 687476), (380, 343738), (760, 171869)]