216935180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{140867}}^1$

素因数の和:140894

約数の個数: 48

約数和(自身を含む): 567979776

約数和(自身を除く): 351044596

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, 140867, 281734, 563468, 704335, 986069, 1408670, 1549537, 1972138, 2817340, 3099074, 3944276, 4930345, 6198148, 7747685, 9860690, 10846759, 15495370, 19721380, 21693518, 30990740, 43387036, 54233795, 108467590, 216935180]

約数ペア:

[(1, 216935180), (2, 108467590), (4, 54233795), (5, 43387036), (7, 30990740), (10, 21693518), (11, 19721380), (14, 15495370), (20, 10846759), (22, 9860690), (28, 7747685), (35, 6198148), (44, 4930345), (55, 3944276), (70, 3099074), (77, 2817340), (110, 1972138), (140, 1549537), (154, 1408670), (220, 986069), (308, 704335), (385, 563468), (770, 281734), (1540, 140867)]