278314508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{641}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 533887200

約数和(自身を除く): 255572692

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 197, 394, 551, 641, 788, 1102, 1282, 2204, 2564, 3743, 5713, 7486, 11426, 12179, 14972, 18589, 22852, 24358, 37178, 48716, 74356, 108547, 126277, 217094, 252554, 353191, 434188, 505108, 706382, 1412764, 2399263, 3662033, 4798526, 7324066, 9597052, 14648132, 69578627, 139157254, 278314508]

約数ペア:

[(1, 278314508), (2, 139157254), (4, 69578627), (19, 14648132), (29, 9597052), (38, 7324066), (58, 4798526), (76, 3662033), (116, 2399263), (197, 1412764), (394, 706382), (551, 505108), (641, 434188), (788, 353191), (1102, 252554), (1282, 217094), (2204, 126277), (2564, 108547), (3743, 74356), (5713, 48716), (7486, 37178), (11426, 24358), (12179, 22852), (14972, 18589)]