1990272088

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{6221}}^1$

素因数の和:6460

約数の個数: 64

約数和(自身を含む): 4435041600

約数和(自身を除く): 2444769512

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 197, 203, 232, 394, 406, 788, 812, 1379, 1576, 1624, 2758, 5516, 5713, 6221, 11032, 11426, 12442, 22852, 24884, 39991, 43547, 45704, 49768, 79982, 87094, 159964, 174188, 180409, 319928, 348376, 360818, 721636, 1225537, 1262863, 1443272, 2451074, 2525726, 4902148, 5051452, 8578759, 9804296, 10102904, 17157518, 34315036, 35540573, 68630072, 71081146, 142162292, 248784011, 284324584, 497568022, 995136044, 1990272088]

約数ペア:

[(1, 1990272088), (2, 995136044), (4, 497568022), (7, 284324584), (8, 248784011), (14, 142162292), (28, 71081146), (29, 68630072), (56, 35540573), (58, 34315036), (116, 17157518), (197, 10102904), (203, 9804296), (232, 8578759), (394, 5051452), (406, 4902148), (788, 2525726), (812, 2451074), (1379, 1443272), (1576, 1262863), (1624, 1225537), (2758, 721636), (5516, 360818), (5713, 348376), (6221, 319928), (11032, 180409), (11426, 174188), (12442, 159964), (22852, 87094), (24884, 79982), (39991, 49768), (43547, 45704)]