54919975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 81780480

約数和(自身を除く): 26860505

約数列:

[1, 5, 11, 19, 23, 25, 55, 95, 115, 209, 253, 275, 437, 457, 475, 575, 1045, 1265, 2185, 2285, 4807, 5027, 5225, 6325, 8683, 10511, 10925, 11425, 24035, 25135, 43415, 52555, 95513, 115621, 120175, 125675, 199709, 217075, 262775, 477565, 578105, 998545, 2196799, 2387825, 2890525, 4992725, 10983995, 54919975]

約数ペア:

[(1, 54919975), (5, 10983995), (11, 4992725), (19, 2890525), (23, 2387825), (25, 2196799), (55, 998545), (95, 578105), (115, 477565), (209, 262775), (253, 217075), (275, 199709), (437, 125675), (457, 120175), (475, 115621), (575, 95513), (1045, 52555), (1265, 43415), (2185, 25135), (2285, 24035), (4807, 11425), (5027, 10925), (5225, 10511), (6325, 8683)]