220054960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{144773}}^1$

素因数の和:144805

約数の個数: 40

約数和(自身を含む): 538559280

約数和(自身を除く): 318504320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 144773, 289546, 579092, 723865, 1158184, 1447730, 2316368, 2750687, 2895460, 5501374, 5790920, 11002748, 11581840, 13753435, 22005496, 27506870, 44010992, 55013740, 110027480, 220054960]

約数ペア:

[(1, 220054960), (2, 110027480), (4, 55013740), (5, 44010992), (8, 27506870), (10, 22005496), (16, 13753435), (19, 11581840), (20, 11002748), (38, 5790920), (40, 5501374), (76, 2895460), (80, 2750687), (95, 2316368), (152, 1447730), (190, 1158184), (304, 723865), (380, 579092), (760, 289546), (1520, 144773)]