342364280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199049}}^1$

素因数の和:199103

約数の個数: 32

約数和(自身を含む): 788238000

約数和(自身を除く): 445873720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 199049, 398098, 796196, 995245, 1592392, 1990490, 3980980, 7961960, 8559107, 17118214, 34236428, 42795535, 68472856, 85591070, 171182140, 342364280]

約数ペア:

[(1, 342364280), (2, 171182140), (4, 85591070), (5, 68472856), (8, 42795535), (10, 34236428), (20, 17118214), (40, 8559107), (43, 7961960), (86, 3980980), (172, 1990490), (215, 1592392), (344, 995245), (430, 796196), (860, 398098), (1720, 199049)]