2019450280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1174099}}^1$

素因数の和:1174153

約数の個数: 32

約数和(自身を含む): 4649436000

約数和(自身を除く): 2629985720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1174099, 2348198, 4696396, 5870495, 9392792, 11740990, 23481980, 46963960, 50486257, 100972514, 201945028, 252431285, 403890056, 504862570, 1009725140, 2019450280]

約数ペア:

[(1, 2019450280), (2, 1009725140), (4, 504862570), (5, 403890056), (8, 252431285), (10, 201945028), (20, 100972514), (40, 50486257), (43, 46963960), (86, 23481980), (172, 11740990), (215, 9392792), (344, 5870495), (430, 4696396), (860, 2348198), (1720, 1174099)]