216513220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140593}}^1$

素因数の和:140620

約数の個数: 48

約数和(自身を含む): 566875008

約数和(自身を除く): 350361788

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 140593, 281186, 562372, 702965, 984151, 1405930, 1546523, 1968302, 2811860, 3093046, 3936604, 4920755, 6186092, 7732615, 9841510, 10825661, 15465230, 19683020, 21651322, 30930460, 43302644, 54128305, 108256610, 216513220]

約数ペア:

[(1, 216513220), (2, 108256610), (4, 54128305), (5, 43302644), (7, 30930460), (10, 21651322), (11, 19683020), (14, 15465230), (20, 10825661), (22, 9841510), (28, 7732615), (35, 6186092), (44, 4920755), (55, 3936604), (70, 3093046), (77, 2811860), (110, 1968302), (140, 1546523), (154, 1405930), (220, 984151), (308, 702965), (385, 562372), (770, 281186), (1540, 140593)]