28221760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:360

約数の個数: 112

約数和(自身を含む): 78857856

約数和(自身を除く): 50636096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 140, 160, 172, 215, 224, 280, 293, 301, 320, 344, 430, 448, 560, 586, 602, 688, 860, 1120, 1172, 1204, 1376, 1465, 1505, 1720, 2051, 2240, 2344, 2408, 2752, 2930, 3010, 3440, 4102, 4688, 4816, 5860, 6020, 6880, 8204, 9376, 9632, 10255, 11720, 12040, 12599, 13760, 16408, 18752, 19264, 20510, 23440, 24080, 25198, 32816, 41020, 46880, 48160, 50396, 62995, 65632, 82040, 88193, 93760, 96320, 100792, 125990, 131264, 164080, 176386, 201584, 251980, 328160, 352772, 403168, 440965, 503960, 656320, 705544, 806336, 881930, 1007920, 1411088, 1763860, 2015840, 2822176, 3527720, 4031680, 5644352, 7055440, 14110880, 28221760]

約数ペア:

[(1, 28221760), (2, 14110880), (4, 7055440), (5, 5644352), (7, 4031680), (8, 3527720), (10, 2822176), (14, 2015840), (16, 1763860), (20, 1411088), (28, 1007920), (32, 881930), (35, 806336), (40, 705544), (43, 656320), (56, 503960), (64, 440965), (70, 403168), (80, 352772), (86, 328160), (112, 251980), (140, 201584), (160, 176386), (172, 164080), (215, 131264), (224, 125990), (280, 100792), (293, 96320), (301, 93760), (320, 88193), (344, 82040), (430, 65632), (448, 62995), (560, 50396), (586, 48160), (602, 46880), (688, 41020), (860, 32816), (1120, 25198), (1172, 24080), (1204, 23440), (1376, 20510), (1465, 19264), (1505, 18752), (1720, 16408), (2051, 13760), (2240, 12599), (2344, 12040), (2408, 11720), (2752, 10255), (2930, 9632), (3010, 9376), (3440, 8204), (4102, 6880), (4688, 6020), (4816, 5860)]