2018528680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7209031}}^1$

素因数の和:7209049

約数の個数: 32

約数和(自身を含む): 5190503040

約数和(自身を除く): 3171974360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7209031, 14418062, 28836124, 36045155, 50463217, 57672248, 72090310, 100926434, 144180620, 201852868, 252316085, 288361240, 403705736, 504632170, 1009264340, 2018528680]

約数ペア:

[(1, 2018528680), (2, 1009264340), (4, 504632170), (5, 403705736), (7, 288361240), (8, 252316085), (10, 201852868), (14, 144180620), (20, 100926434), (28, 72090310), (35, 57672248), (40, 50463217), (56, 36045155), (70, 28836124), (140, 14418062), (280, 7209031)]