1587740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1031}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 4161024

約数和(自身を除く): 2573284

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, 1031, 1540, 2062, 4124, 5155, 7217, 10310, 11341, 14434, 20620, 22682, 28868, 36085, 45364, 56705, 72170, 79387, 113410, 144340, 158774, 226820, 317548, 396935, 793870, 1587740]

約数ペア:

[(1, 1587740), (2, 793870), (4, 396935), (5, 317548), (7, 226820), (10, 158774), (11, 144340), (14, 113410), (20, 79387), (22, 72170), (28, 56705), (35, 45364), (44, 36085), (55, 28868), (70, 22682), (77, 20620), (110, 14434), (140, 11341), (154, 10310), (220, 7217), (308, 5155), (385, 4124), (770, 2062), (1031, 1540)]