28102480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 77861088

約数和(自身を除く): 49758608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 67, 70, 80, 98, 107, 112, 134, 140, 196, 214, 245, 268, 280, 335, 392, 428, 469, 490, 535, 536, 560, 670, 749, 784, 856, 938, 980, 1070, 1072, 1340, 1498, 1712, 1876, 1960, 2140, 2345, 2680, 2996, 3283, 3745, 3752, 3920, 4280, 4690, 5243, 5360, 5992, 6566, 7169, 7490, 7504, 8560, 9380, 10486, 11984, 13132, 14338, 14980, 16415, 18760, 20972, 26215, 26264, 28676, 29960, 32830, 35845, 37520, 41944, 50183, 52430, 52528, 57352, 59920, 65660, 71690, 83888, 100366, 104860, 114704, 131320, 143380, 200732, 209720, 250915, 262640, 286760, 351281, 401464, 419440, 501830, 573520, 702562, 802928, 1003660, 1405124, 1756405, 2007320, 2810248, 3512810, 4014640, 5620496, 7025620, 14051240, 28102480]

約数ペア:

[(1, 28102480), (2, 14051240), (4, 7025620), (5, 5620496), (7, 4014640), (8, 3512810), (10, 2810248), (14, 2007320), (16, 1756405), (20, 1405124), (28, 1003660), (35, 802928), (40, 702562), (49, 573520), (56, 501830), (67, 419440), (70, 401464), (80, 351281), (98, 286760), (107, 262640), (112, 250915), (134, 209720), (140, 200732), (196, 143380), (214, 131320), (245, 114704), (268, 104860), (280, 100366), (335, 83888), (392, 71690), (428, 65660), (469, 59920), (490, 57352), (535, 52528), (536, 52430), (560, 50183), (670, 41944), (749, 37520), (784, 35845), (856, 32830), (938, 29960), (980, 28676), (1070, 26264), (1072, 26215), (1340, 20972), (1498, 18760), (1712, 16415), (1876, 14980), (1960, 14338), (2140, 13132), (2345, 11984), (2680, 10486), (2996, 9380), (3283, 8560), (3745, 7504), (3752, 7490), (3920, 7169), (4280, 6566), (4690, 5992), (5243, 5360)]