219111880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{32413}}^1$

素因数の和:32450

約数の個数: 48

約数和(自身を含む): 533858580

約数和(自身を除く): 314746700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 32413, 64826, 129652, 162065, 259304, 324130, 421369, 648260, 842738, 1296520, 1685476, 2106845, 3370952, 4213690, 5477797, 8427380, 10955594, 16854760, 21911188, 27388985, 43822376, 54777970, 109555940, 219111880]

約数ペア:

[(1, 219111880), (2, 109555940), (4, 54777970), (5, 43822376), (8, 27388985), (10, 21911188), (13, 16854760), (20, 10955594), (26, 8427380), (40, 5477797), (52, 4213690), (65, 3370952), (104, 2106845), (130, 1685476), (169, 1296520), (260, 842738), (338, 648260), (520, 421369), (676, 324130), (845, 259304), (1352, 162065), (1690, 129652), (3380, 64826), (6760, 32413)]