422984080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{278279}}^1$

素因数の和:278311

約数の個数: 40

約数和(自身を含む): 1035201600

約数和(自身を除く): 612217520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 278279, 556558, 1113116, 1391395, 2226232, 2782790, 4452464, 5287301, 5565580, 10574602, 11131160, 21149204, 22262320, 26436505, 42298408, 52873010, 84596816, 105746020, 211492040, 422984080]

約数ペア:

[(1, 422984080), (2, 211492040), (4, 105746020), (5, 84596816), (8, 52873010), (10, 42298408), (16, 26436505), (19, 22262320), (20, 21149204), (38, 11131160), (40, 10574602), (76, 5565580), (80, 5287301), (95, 4452464), (152, 2782790), (190, 2226232), (304, 1391395), (380, 1113116), (760, 556558), (1520, 278279)]