640984036

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1039}}^1\times {\mathrm{2003}}^1$

素因数の和:3064

約数の個数: 48

約数和(自身を含む): 1400555520

約数和(自身を除く): 759571484

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 1039, 2003, 2078, 4006, 4156, 7273, 8012, 11429, 14021, 14546, 22033, 22858, 28042, 29092, 44066, 45716, 56084, 80003, 88132, 154231, 160006, 308462, 320012, 616924, 2081117, 4162234, 8324468, 14567819, 22892287, 29135638, 45784574, 58271276, 91569148, 160246009, 320492018, 640984036]

約数ペア:

[(1, 640984036), (2, 320492018), (4, 160246009), (7, 91569148), (11, 58271276), (14, 45784574), (22, 29135638), (28, 22892287), (44, 14567819), (77, 8324468), (154, 4162234), (308, 2081117), (1039, 616924), (2003, 320012), (2078, 308462), (4006, 160006), (4156, 154231), (7273, 88132), (8012, 80003), (11429, 56084), (14021, 45716), (14546, 44066), (22033, 29092), (22858, 28042)]