280058464

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1301}}^1$

素因数の和:1380

約数の個数: 72

約数和(自身を含む): 651614544

約数和(自身を除く): 371556080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 961, 992, 1301, 1736, 1922, 2602, 3472, 3844, 5204, 6727, 6944, 7688, 9107, 10408, 13454, 15376, 18214, 20816, 26908, 30752, 36428, 40331, 41632, 53816, 72856, 80662, 107632, 145712, 161324, 215264, 282317, 291424, 322648, 564634, 645296, 1129268, 1250261, 1290592, 2258536, 2500522, 4517072, 5001044, 8751827, 9034144, 10002088, 17503654, 20004176, 35007308, 40008352, 70014616, 140029232, 280058464]

約数ペア:

[(1, 280058464), (2, 140029232), (4, 70014616), (7, 40008352), (8, 35007308), (14, 20004176), (16, 17503654), (28, 10002088), (31, 9034144), (32, 8751827), (56, 5001044), (62, 4517072), (112, 2500522), (124, 2258536), (217, 1290592), (224, 1250261), (248, 1129268), (434, 645296), (496, 564634), (868, 322648), (961, 291424), (992, 282317), (1301, 215264), (1736, 161324), (1922, 145712), (2602, 107632), (3472, 80662), (3844, 72856), (5204, 53816), (6727, 41632), (6944, 40331), (7688, 36428), (9107, 30752), (10408, 26908), (13454, 20816), (15376, 18214)]