289332520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{425489}}^1$

素因数の和:425517

約数の個数: 32

約数和(自身を含む): 689293800

約数和(自身を除く): 399961280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 425489, 850978, 1701956, 2127445, 3403912, 4254890, 7233313, 8509780, 14466626, 17019560, 28933252, 36166565, 57866504, 72333130, 144666260, 289332520]

約数ペア:

[(1, 289332520), (2, 144666260), (4, 72333130), (5, 57866504), (8, 36166565), (10, 28933252), (17, 17019560), (20, 14466626), (34, 8509780), (40, 7233313), (68, 4254890), (85, 3403912), (136, 2127445), (170, 1701956), (340, 850978), (680, 425489)]