289552840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{425813}}^1$

素因数の和:425841

約数の個数: 32

約数和(自身を含む): 689818680

約数和(自身を除く): 400265840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 425813, 851626, 1703252, 2129065, 3406504, 4258130, 7238821, 8516260, 14477642, 17032520, 28955284, 36194105, 57910568, 72388210, 144776420, 289552840]

約数ペア:

[(1, 289552840), (2, 144776420), (4, 72388210), (5, 57910568), (8, 36194105), (10, 28955284), (17, 17032520), (20, 14477642), (34, 8516260), (40, 7238821), (68, 4258130), (85, 3406504), (136, 2129065), (170, 1703252), (340, 851626), (680, 425813)]