280804888

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{55103}}^1$

素因数の和:55136

約数の個数: 48

約数和(自身を含む): 659594880

約数和(自身を除く): 378789992

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 55103, 110206, 220412, 385721, 440824, 716339, 771442, 1432678, 1542884, 2700047, 2865356, 3085768, 5014373, 5400094, 5730712, 10028746, 10800188, 20057492, 21600376, 35100611, 40114984, 70201222, 140402444, 280804888]

約数ペア:

[(1, 280804888), (2, 140402444), (4, 70201222), (7, 40114984), (8, 35100611), (13, 21600376), (14, 20057492), (26, 10800188), (28, 10028746), (49, 5730712), (52, 5400094), (56, 5014373), (91, 3085768), (98, 2865356), (104, 2700047), (182, 1542884), (196, 1432678), (364, 771442), (392, 716339), (637, 440824), (728, 385721), (1274, 220412), (2548, 110206), (5096, 55103)]