1677940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 3991680

約数和(自身を除く): 2313740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 263, 290, 319, 526, 580, 638, 1052, 1276, 1315, 1595, 2630, 2893, 3190, 5260, 5786, 6380, 7627, 11572, 14465, 15254, 28930, 30508, 38135, 57860, 76270, 83897, 152540, 167794, 335588, 419485, 838970, 1677940]

約数ペア:

[(1, 1677940), (2, 838970), (4, 419485), (5, 335588), (10, 167794), (11, 152540), (20, 83897), (22, 76270), (29, 57860), (44, 38135), (55, 30508), (58, 28930), (110, 15254), (116, 14465), (145, 11572), (220, 7627), (263, 6380), (290, 5786), (319, 5260), (526, 3190), (580, 2893), (638, 2630), (1052, 1595), (1276, 1315)]